diff --git a/assignment-client/src/Agent.cpp b/assignment-client/src/Agent.cpp
index 913f22be18..f4f9d6fb69 100644
--- a/assignment-client/src/Agent.cpp
+++ b/assignment-client/src/Agent.cpp
@@ -97,9 +97,6 @@ void Agent::run() {
     // setup an Avatar for the script to use
     AvatarData scriptedAvatar;
     
-    // match the scripted avatar's UUID to the DataServerScriptingInterface UUID
-    scriptedAvatar.setUUID(_scriptEngine.getDataServerScriptingInterface().getUUID());
-    
     // give this AvatarData object to the script engine
     _scriptEngine.setAvatarData(&scriptedAvatar, "Avatar");
 
diff --git a/interface/CMakeLists.txt b/interface/CMakeLists.txt
index d05ea7a7c0..6af6ed478d 100644
--- a/interface/CMakeLists.txt
+++ b/interface/CMakeLists.txt
@@ -71,7 +71,6 @@ foreach(EXTERNAL_SOURCE_SUBDIR ${EXTERNAL_SOURCE_SUBDIRS})
   set(INTERFACE_SRCS ${INTERFACE_SRCS} ${SUBDIR_SRCS})
 endforeach(EXTERNAL_SOURCE_SUBDIR)
 
-
 find_package(Qt5Core REQUIRED)
 find_package(Qt5Gui REQUIRED)
 find_package(Qt5Multimedia REQUIRED)
@@ -81,7 +80,14 @@ find_package(Qt5Svg REQUIRED)
 find_package(Qt5WebKit REQUIRED)
 find_package(Qt5WebKitWidgets REQUIRED)
 find_package(Qt5Xml REQUIRED)
-find_package(Qt5UiTools REQUIRED)
+
+# grab the ui files in resources/ui
+file (GLOB_RECURSE QT_UI_FILES ui/*.ui)
+# have qt5 wrap them and generate the appropriate header files
+qt5_wrap_ui(QT_UI_HEADERS ${QT_UI_FILES})
+
+# add them to the interface source files
+set(INTERFACE_SRCS ${INTERFACE_SRCS} ${QT_UI_HEADERS})
 
 if (APPLE)
   set(MACOSX_BUNDLE_BUNDLE_NAME Interface)
diff --git a/interface/src/Application.cpp b/interface/src/Application.cpp
index de1bbb059c..9dc4dc5d8f 100644
--- a/interface/src/Application.cpp
+++ b/interface/src/Application.cpp
@@ -2438,17 +2438,14 @@ void Application::updateAvatar(float deltaTime) {
     //  Get audio loudness data from audio input device
     _myAvatar.getHead().setAudioLoudness(_audio.getLastInputLoudness());
 
-    NodeList* nodeList = NodeList::getInstance();
-
     // send head/hand data to the avatar mixer and voxel server
     unsigned char broadcastString[MAX_PACKET_SIZE];
     unsigned char* endOfBroadcastStringWrite = broadcastString;
 
     endOfBroadcastStringWrite += populateTypeAndVersion(endOfBroadcastStringWrite, PACKET_TYPE_HEAD_DATA);
 
-    QByteArray ownerUUID = nodeList->getOwnerUUID().toRfc4122();
-    memcpy(endOfBroadcastStringWrite, ownerUUID.constData(), ownerUUID.size());
-    endOfBroadcastStringWrite += ownerUUID.size();
+    // pack the NodeList owner UUID
+    endOfBroadcastStringWrite += NodeList::getInstance()->packOwnerUUID(endOfBroadcastStringWrite);
 
     endOfBroadcastStringWrite += _myAvatar.getBroadcastData(endOfBroadcastStringWrite);
 
@@ -3857,6 +3854,11 @@ void Application::setMenuShortcutsEnabled(bool enabled) {
 void Application::attachNewHeadToNode(Node* newNode) {
     if (newNode->getLinkedData() == NULL) {
         newNode->setLinkedData(new Avatar(newNode));
+        
+        // new UUID requires mesh and skeleton request to data-server
+        DataServerClient::getValuesForKeysAndUUID(QStringList() << DataServerKey::FaceMeshURL << DataServerKey::SkeletonURL,
+                                                  newNode->getUUID(), Application::getInstance()->getProfile());
+
     }
 }
 
diff --git a/interface/src/VoxelHideShowThread.h b/interface/src/VoxelHideShowThread.h
index 22df6c299c..2925888022 100644
--- a/interface/src/VoxelHideShowThread.h
+++ b/interface/src/VoxelHideShowThread.h
@@ -15,7 +15,7 @@
 #include "VoxelSystem.h"
 
 /// Generalized threaded processor for handling received inbound packets. 
-class VoxelHideShowThread : public virtual GenericThread {
+class VoxelHideShowThread : public GenericThread {
 public:
 
     VoxelHideShowThread(VoxelSystem* theSystem);
diff --git a/interface/src/avatar/Avatar.cpp b/interface/src/avatar/Avatar.cpp
index 30de5b1e2a..7705a5d03e 100644
--- a/interface/src/avatar/Avatar.cpp
+++ b/interface/src/avatar/Avatar.cpp
@@ -345,20 +345,11 @@ int Avatar::parseData(unsigned char* sourceBuffer, int numBytes) {
     // change in position implies movement
     glm::vec3 oldPosition = _position;
     
-    // change in UUID requires mesh and skeleton request to data-server
-    
-    QUuid oldUuid = _uuid;
-    
     int bytesRead = AvatarData::parseData(sourceBuffer, numBytes);
     
     const float MOVE_DISTANCE_THRESHOLD = 0.001f;
     _moving = glm::distance(oldPosition, _position) > MOVE_DISTANCE_THRESHOLD;
     
-    if (oldUuid != _uuid && !_uuid.isNull()) {
-        DataServerClient::getValuesForKeysAndUUID(QStringList() << DataServerKey::FaceMeshURL << DataServerKey::SkeletonURL,
-                                                  _uuid, Application::getInstance()->getProfile());
-    }
-    
     return bytesRead;
 }
 
diff --git a/interface/src/avatar/Profile.cpp b/interface/src/avatar/Profile.cpp
index 89ce750d68..dfd06daa4a 100644
--- a/interface/src/avatar/Profile.cpp
+++ b/interface/src/avatar/Profile.cpp
@@ -48,8 +48,8 @@ QString Profile::getUserString() const {
 void Profile::setUUID(const QUuid& uuid) {
     _uuid = uuid;
     
-    // when the UUID is changed we need set it appropriately on our avatar instance
-    Application::getInstance()->getAvatar()->setUUID(_uuid);
+    // when the UUID is changed we need set it appropriately on the NodeList instance
+    NodeList::getInstance()->setOwnerUUID(uuid);
 }
 
 void Profile::setFaceModelURL(const QUrl& faceModelURL) {
@@ -156,19 +156,15 @@ void Profile::processDataServerResponse(const QString& userString, const QString
                     Application::getInstance()->getProfile()->setFaceModelURL(QUrl(valueList[i]));
                 } else {
                     // mesh URL for a UUID, find avatar in our list
-                    
-                    foreach (const SharedNodePointer& node, NodeList::getInstance()->getNodeHash()) {
-                        if (node->getLinkedData() != NULL && node->getType() == NODE_TYPE_AGENT) {
-                            Avatar* avatar = (Avatar *) node->getLinkedData();
-                            
-                            if (avatar->getUUID() == QUuid(userString)) {
-                                qDebug() << "Changing mesh to" << valueList[i] << "for avatar with UUID"
-                                    << uuidStringWithoutCurlyBraces(avatar->getUUID());
-                                
-                                QMetaObject::invokeMethod(&avatar->getHead().getFaceModel(),
-                                                          "setURL", Q_ARG(QUrl, QUrl(valueList[i])));
-                            }
-                        }
+                    SharedNodePointer matchingNode = NodeList::getInstance()->nodeWithUUID(QUuid(userString));
+                    if (matchingNode && matchingNode->getType() == NODE_TYPE_AGENT) {
+                        qDebug() << "Changing mesh to" << valueList[i] << "for avatar with UUID"
+                            << uuidStringWithoutCurlyBraces(matchingNode->getUUID());
+                        
+                        Avatar* avatar = (Avatar *) matchingNode->getLinkedData();
+                        
+                        QMetaObject::invokeMethod(&avatar->getHead().getFaceModel(),
+                                                  "setURL", Q_ARG(QUrl, QUrl(valueList[i])));
                     }
                 }
             } else if (keyList[i] == DataServerKey::SkeletonURL) {
@@ -177,18 +173,15 @@ void Profile::processDataServerResponse(const QString& userString, const QString
                     Application::getInstance()->getProfile()->setSkeletonModelURL(QUrl(valueList[i]));
                 } else {
                     // skeleton URL for a UUID, find avatar in our list
-                    foreach (const SharedNodePointer& node, NodeList::getInstance()->getNodeHash()) {
-                        if (node->getLinkedData() != NULL && node->getType() == NODE_TYPE_AGENT) {
-                            Avatar* avatar = (Avatar *) node->getLinkedData();
-                            
-                            if (avatar->getUUID() == QUuid(userString)) {
-                                qDebug() << "Changing skeleton to" << valueList[i] << "for avatar with UUID"
-                                    << uuidStringWithoutCurlyBraces(avatar->getUUID());
-                                
-                                QMetaObject::invokeMethod(&avatar->getSkeletonModel(), "setURL",
-                                                          Q_ARG(QUrl, QUrl(valueList[i])));
-                            }
-                        }
+                    SharedNodePointer matchingNode = NodeList::getInstance()->nodeWithUUID(QUuid(userString));
+                    if (matchingNode && matchingNode->getType() == NODE_TYPE_AGENT) {
+                        qDebug() << "Changing skeleton to" << valueList[i] << "for avatar with UUID"
+                            << uuidStringWithoutCurlyBraces(matchingNode->getUUID());
+                        
+                        Avatar* avatar = (Avatar *) matchingNode->getLinkedData();
+                        
+                        QMetaObject::invokeMethod(&avatar->getSkeletonModel(),
+                                                  "setURL", Q_ARG(QUrl, QUrl(valueList[i])));
                     }
                 }
             } else if (keyList[i] == DataServerKey::Domain && keyList[i + 1] == DataServerKey::Position &&
diff --git a/interface/src/ui/LogDialog.cpp b/interface/src/ui/LogDialog.cpp
index b532c0fe52..474b4f034e 100644
--- a/interface/src/ui/LogDialog.cpp
+++ b/interface/src/ui/LogDialog.cpp
@@ -97,7 +97,7 @@ void LogDialog::initControls() {
 }
 
 void LogDialog::showEvent(QShowEvent*)  {
-    connect(_logger, SIGNAL(logReceived(QString)), this, SLOT(appendLogLine(QString)));
+    connect(_logger, SIGNAL(logReceived(QString)), this, SLOT(appendLogLine(QString)), Qt::QueuedConnection);
     showLogData();
 }
 
@@ -111,11 +111,9 @@ void LogDialog::resizeEvent(QResizeEvent*) {
 
 void LogDialog::appendLogLine(QString logLine) {
     if (isVisible()) {
-        _mutex.lock();
         if (logLine.contains(_searchTerm, Qt::CaseInsensitive)) {
             _logTextBox->appendPlainText(logLine.simplified());
         }
-        _mutex.unlock();
         _logTextBox->ensureCursorVisible();
     }
 }
@@ -140,12 +138,10 @@ void LogDialog::handleSearchTextChanged(const QString searchText) {
 
 void LogDialog::showLogData() {
     _logTextBox->clear();
-    _mutex.lock();
     QStringList _logData = _logger->getLogData();
     for (int i = 0; i < _logData.size(); ++i) {
         appendLogLine(_logData[i]);
     }
-    _mutex.unlock();
 }
 
 KeywordHighlighter::KeywordHighlighter(QTextDocument *parent) : QSyntaxHighlighter(parent), keywordFormat() {
diff --git a/interface/src/ui/LogDialog.h b/interface/src/ui/LogDialog.h
index c8e7441d3c..17216db0c4 100644
--- a/interface/src/ui/LogDialog.h
+++ b/interface/src/ui/LogDialog.h
@@ -60,7 +60,6 @@ private:
     QCheckBox* _extraDebuggingBox;
     QPushButton* _revealLogButton;
     QPlainTextEdit* _logTextBox;
-    QMutex _mutex;
     QString _searchTerm;
     KeywordHighlighter* _highlighter;
 
diff --git a/interface/src/ui/UpdateDialog.cpp b/interface/src/ui/UpdateDialog.cpp
index 12c5cd83e0..deb671427f 100644
--- a/interface/src/ui/UpdateDialog.cpp
+++ b/interface/src/ui/UpdateDialog.cpp
@@ -6,48 +6,40 @@
 //  Copyright (c) 2013, 2014 High Fidelity, Inc. All rights reserved.
 //
 
-#include <QApplication>
-#include <QDesktopWidget>
-#include <QTextBlock>
 #include <QtGui>
-#include <QtUiTools>
-#include <QPushButton>
-#include <QLabel>
-#include <QFrame>
 
 #include "Application.h"
-#include "SharedUtil.h"
+#include "ui_updateDialog.h"
+
 #include "UpdateDialog.h"
 
+
 UpdateDialog::UpdateDialog(QWidget *parent, const QString& releaseNotes, const QString& latestVersion, const QUrl& downloadURL) :
-    QWidget(parent, Qt::Widget),
+    QDialog(parent),
     _latestVersion(latestVersion),
-    _downloadUrl(downloadURL) {
-    
-    QUiLoader updateDialogLoader;
-    QWidget* updateDialog;
-    QFile updateDialogUi("resources/ui/updateDialog.ui");
-    updateDialogUi.open(QFile::ReadOnly);
-    updateDialog = updateDialogLoader.load(&updateDialogUi, this);
+    _downloadUrl(downloadURL)
+{
+    Ui::Dialog dialogUI;
+    dialogUI.setupUi(this);
     
     QString updateRequired = QString("You are currently running build %1, the latest build released is %2. \
                                       Please download and install the most recent release to access the latest features and bug fixes.")
                                       .arg(Application::getInstance()->applicationVersion(), latestVersion);
     
+    setAttribute(Qt::WA_DeleteOnClose);
     
-    updateDialog->setAttribute(Qt::WA_DeleteOnClose);
-    
-    QPushButton* downloadButton = updateDialog->findChild<QPushButton*>("downloadButton");
-    QPushButton* skipButton = updateDialog->findChild<QPushButton*>("skipButton");
-    QPushButton* closeButton = updateDialog->findChild<QPushButton*>("closeButton");
-    QLabel* updateContent = updateDialog->findChild<QLabel*>("updateContent");
+    QPushButton* downloadButton = findChild<QPushButton*>("downloadButton");
+    QPushButton* skipButton = findChild<QPushButton*>("skipButton");
+    QPushButton* closeButton = findChild<QPushButton*>("closeButton");
+    QLabel* updateContent = findChild<QLabel*>("updateContent");
     
     updateContent->setText(updateRequired);
     
     connect(downloadButton, SIGNAL(released()), this, SLOT(handleDownload()));
     connect(skipButton, SIGNAL(released()), this, SLOT(handleSkip()));
     connect(closeButton, SIGNAL(released()), this, SLOT(close()));
-    updateDialog->show();
+    
+    QMetaObject::invokeMethod(this, "show", Qt::QueuedConnection);
 }
 
 void UpdateDialog::handleDownload() {
diff --git a/interface/src/ui/UpdateDialog.h b/interface/src/ui/UpdateDialog.h
index 1c4f5de9d0..14f4e6f39c 100644
--- a/interface/src/ui/UpdateDialog.h
+++ b/interface/src/ui/UpdateDialog.h
@@ -11,7 +11,7 @@
 
 #include <QWidget>
 
-class UpdateDialog : public QWidget {
+class UpdateDialog : public QDialog {
     Q_OBJECT
     
 public:
diff --git a/interface/resources/ui/updateDialog.ui b/interface/ui/updateDialog.ui
similarity index 100%
rename from interface/resources/ui/updateDialog.ui
rename to interface/ui/updateDialog.ui
diff --git a/libraries/avatars/src/AvatarData.cpp b/libraries/avatars/src/AvatarData.cpp
index 35e6c37e96..1ae44bb57a 100644
--- a/libraries/avatars/src/AvatarData.cpp
+++ b/libraries/avatars/src/AvatarData.cpp
@@ -24,7 +24,6 @@ static const float fingerVectorRadix = 4; // bits of precision when converting f
 
 AvatarData::AvatarData(Node* owningNode) :
     NodeData(owningNode),
-    _uuid(),
     _handPosition(0,0,0),
     _bodyYaw(-90.0),
     _bodyPitch(0.0),
@@ -69,11 +68,6 @@ int AvatarData::getBroadcastData(unsigned char* destinationBuffer) {
         _handData = new HandData(this);
     }
     
-    // UUID
-    QByteArray uuidByteArray = _uuid.toRfc4122();
-    memcpy(destinationBuffer, uuidByteArray.constData(), uuidByteArray.size());
-    destinationBuffer += uuidByteArray.size();
-    
     // Body world position
     memcpy(destinationBuffer, &_position, sizeof(float) * 3);
     destinationBuffer += sizeof(float) * 3;
@@ -180,11 +174,7 @@ int AvatarData::parseData(unsigned char* sourceBuffer, int numBytes) {
     
     // push past the node session UUID
     sourceBuffer += NUM_BYTES_RFC4122_UUID;
-    
-    // user UUID
-    _uuid = QUuid::fromRfc4122(QByteArray((char*) sourceBuffer, NUM_BYTES_RFC4122_UUID));
-    sourceBuffer += NUM_BYTES_RFC4122_UUID;
-    
+        
     // Body world position
     memcpy(&_position, sourceBuffer, sizeof(float) * 3);
     sourceBuffer += sizeof(float) * 3;
diff --git a/libraries/avatars/src/AvatarData.h b/libraries/avatars/src/AvatarData.h
index 0005d1eb11..ac0d198fc9 100755
--- a/libraries/avatars/src/AvatarData.h
+++ b/libraries/avatars/src/AvatarData.h
@@ -82,9 +82,6 @@ public:
     int getBroadcastData(unsigned char* destinationBuffer);
     int parseData(unsigned char* sourceBuffer, int numBytes);
 
-    QUuid& getUUID() { return _uuid; }
-    void setUUID(const QUuid& uuid) { _uuid = uuid; }
-
     //  Body Rotation
     float getBodyYaw() const { return _bodyYaw; }
     void setBodyYaw(float bodyYaw) { _bodyYaw = bodyYaw; }
@@ -137,8 +134,6 @@ public:
     }
     
 protected:
-    QUuid _uuid;
-
     glm::vec3 _position;
     glm::vec3 _handPosition;
 
diff --git a/libraries/octree-server/src/OctreeSendThread.h b/libraries/octree-server/src/OctreeSendThread.h
index a2de8fcb5d..c0936371f2 100644
--- a/libraries/octree-server/src/OctreeSendThread.h
+++ b/libraries/octree-server/src/OctreeSendThread.h
@@ -17,7 +17,7 @@
 #include "OctreeServer.h"
 
 /// Threaded processor for sending voxel packets to a single client
-class OctreeSendThread : public virtual GenericThread {
+class OctreeSendThread : public GenericThread {
 public:
     OctreeSendThread(const QUuid& nodeUUID, OctreeServer* myServer);
 
diff --git a/libraries/octree/src/JurisdictionListener.cpp b/libraries/octree/src/JurisdictionListener.cpp
index d8919ac48e..6ed039f0bd 100644
--- a/libraries/octree/src/JurisdictionListener.cpp
+++ b/libraries/octree/src/JurisdictionListener.cpp
@@ -16,13 +16,13 @@
 #include "JurisdictionListener.h"
 
 JurisdictionListener::JurisdictionListener(NODE_TYPE type, PacketSenderNotify* notify) : 
-    PacketSender(notify, JurisdictionListener::DEFAULT_PACKETS_PER_SECOND)
+    _packetSender(notify, JurisdictionListener::DEFAULT_PACKETS_PER_SECOND)
 {
     _nodeType = type;
     ReceivedPacketProcessor::_dontSleep = true; // we handle sleeping so this class doesn't need to
     
-//  connect(nodeList, &NodeList::nodeKilled, this, &JurisdictionListener::nodeKilled);
-//  qDebug("JurisdictionListener::JurisdictionListener(NODE_TYPE type=%c)\n", type);
+    connect(NodeList::getInstance(), &NodeList::nodeKilled, this, &JurisdictionListener::nodeKilled);
+    //qDebug("JurisdictionListener::JurisdictionListener(NODE_TYPE type=%c)", type);
 }
 
 void JurisdictionListener::nodeKilled(SharedNodePointer node) {
@@ -32,7 +32,7 @@ void JurisdictionListener::nodeKilled(SharedNodePointer node) {
 }
 
 bool JurisdictionListener::queueJurisdictionRequest() {
-    //qDebug() << "JurisdictionListener::queueJurisdictionRequest()\n";
+    //qDebug() << "JurisdictionListener::queueJurisdictionRequest()";
 
     static unsigned char buffer[MAX_PACKET_SIZE];
     unsigned char* bufferOut = &buffer[0];
@@ -45,15 +45,15 @@ bool JurisdictionListener::queueJurisdictionRequest() {
         if (nodeList->getNodeActiveSocketOrPing(node.data()) &&
             node->getType() == getNodeType()) {
             const HifiSockAddr* nodeAddress = node->getActiveSocket();
-            PacketSender::queuePacketForSending(*nodeAddress, bufferOut, sizeOut);
+            _packetSender.queuePacketForSending(*nodeAddress, bufferOut, sizeOut);
             nodeCount++;
         }
     }
 
     if (nodeCount > 0){
-        setPacketsPerSecond(nodeCount);
+        _packetSender.setPacketsPerSecond(nodeCount);
     } else {
-        setPacketsPerSecond(NO_SERVER_CHECK_RATE);
+        _packetSender.setPacketsPerSecond(NO_SERVER_CHECK_RATE);
     }
     
     // keep going if still running
@@ -61,6 +61,7 @@ bool JurisdictionListener::queueJurisdictionRequest() {
 }
 
 void JurisdictionListener::processPacket(const HifiSockAddr& senderAddress, unsigned char*  packetData, ssize_t packetLength) {
+    //qDebug() << "JurisdictionListener::processPacket()";
     if (packetData[0] == PACKET_TYPE_JURISDICTION) {
         SharedNodePointer node = NodeList::getInstance()->nodeWithAddress(senderAddress);
         if (node) {
@@ -73,12 +74,17 @@ void JurisdictionListener::processPacket(const HifiSockAddr& senderAddress, unsi
 }
 
 bool JurisdictionListener::process() {
+    //qDebug() << "JurisdictionListener::process()";
     bool continueProcessing = isStillRunning();
 
     // If we're still running, and we don't have any requests waiting to be sent, then queue our jurisdiction requests
-    if (continueProcessing && !hasPacketsToSend()) {
+    if (continueProcessing && !_packetSender.hasPacketsToSend()) {
         queueJurisdictionRequest();
-        continueProcessing = PacketSender::process();
+    }
+    
+    if (continueProcessing) {
+        //qDebug() << "JurisdictionListener::process() calling _packetSender.process()";
+        continueProcessing = _packetSender.process();
     }
     if (continueProcessing) {
         // NOTE: This will sleep if there are no pending packets to process
diff --git a/libraries/octree/src/JurisdictionListener.h b/libraries/octree/src/JurisdictionListener.h
index 393ca80420..c112f43b52 100644
--- a/libraries/octree/src/JurisdictionListener.h
+++ b/libraries/octree/src/JurisdictionListener.h
@@ -22,7 +22,7 @@
 /// the PACKET_TYPE_JURISDICTION packets it receives in order to maintain an accurate state of all jurisidictions
 /// within the domain. As with other ReceivedPacketProcessor classes the user is responsible for reading inbound packets
 /// and adding them to the processing queue by calling queueReceivedPacket()
-class JurisdictionListener : public PacketSender, public ReceivedPacketProcessor {
+class JurisdictionListener : public ReceivedPacketProcessor {
 public:
     static const int DEFAULT_PACKETS_PER_SECOND = 1;
     static const int NO_SERVER_CHECK_RATE = 60; // if no servers yet detected, keep checking at 60fps
@@ -55,5 +55,7 @@ private:
     NODE_TYPE _nodeType;
 
     bool queueJurisdictionRequest();
+
+    PacketSender _packetSender;
 };
 #endif // __shared__JurisdictionListener__
diff --git a/libraries/octree/src/JurisdictionMap.cpp b/libraries/octree/src/JurisdictionMap.cpp
index 53cc955553..bf64e19959 100644
--- a/libraries/octree/src/JurisdictionMap.cpp
+++ b/libraries/octree/src/JurisdictionMap.cpp
@@ -331,16 +331,20 @@ int JurisdictionMap::unpackFromMessage(unsigned char* sourceBuffer, int availabl
     // increment to push past the packet header
     int numBytesPacketHeader = numBytesForPacketHeader(sourceBuffer);
     sourceBuffer += numBytesPacketHeader;
+    int remainingBytes = availableBytes - numBytesPacketHeader;
     
     // read the root jurisdiction
     int bytes = 0;
     memcpy(&bytes, sourceBuffer, sizeof(bytes));
     sourceBuffer += sizeof(bytes);
+    remainingBytes -= sizeof(bytes);
 
-    if (bytes > 0) {
+    if (bytes > 0 && bytes <= remainingBytes) {
         _rootOctalCode = new unsigned char[bytes];
         memcpy(_rootOctalCode, sourceBuffer, bytes);
         sourceBuffer += bytes;
+        remainingBytes -= bytes;
+        
         // if and only if there's a root jurisdiction, also include the end nodes
         int endNodeCount = 0;
         memcpy(&endNodeCount, sourceBuffer, sizeof(endNodeCount));
@@ -349,13 +353,18 @@ int JurisdictionMap::unpackFromMessage(unsigned char* sourceBuffer, int availabl
             int bytes = 0;
             memcpy(&bytes, sourceBuffer, sizeof(bytes));
             sourceBuffer += sizeof(bytes);
-            unsigned char* endNodeCode = new unsigned char[bytes];
-            memcpy(endNodeCode, sourceBuffer, bytes);
-            sourceBuffer += bytes;
+            remainingBytes -= sizeof(bytes);
             
-            // if the endNodeCode was 0 length then don't add it
-            if (bytes > 0) {
-                _endNodes.push_back(endNodeCode);
+            if (bytes <= remainingBytes) {
+                unsigned char* endNodeCode = new unsigned char[bytes];
+                memcpy(endNodeCode, sourceBuffer, bytes);
+                sourceBuffer += bytes;
+                remainingBytes -= bytes;
+            
+                // if the endNodeCode was 0 length then don't add it
+                if (bytes > 0) {
+                    _endNodes.push_back(endNodeCode);
+                }
             }
         }
     }
diff --git a/libraries/octree/src/JurisdictionSender.cpp b/libraries/octree/src/JurisdictionSender.cpp
index ab31f9356b..521dbdb7e4 100644
--- a/libraries/octree/src/JurisdictionSender.cpp
+++ b/libraries/octree/src/JurisdictionSender.cpp
@@ -17,9 +17,9 @@
 
 
 JurisdictionSender::JurisdictionSender(JurisdictionMap* map, NODE_TYPE type, PacketSenderNotify* notify) : 
-    PacketSender(notify, JurisdictionSender::DEFAULT_PACKETS_PER_SECOND), 
     ReceivedPacketProcessor(),
-    _jurisdictionMap(map)
+    _jurisdictionMap(map),
+    _packetSender(notify, JurisdictionSender::DEFAULT_PACKETS_PER_SECOND)
 {
     _nodeType = type;
 }
@@ -66,16 +66,16 @@ bool JurisdictionSender::process() {
 
             if (node->getActiveSocket() != NULL) {
                 const HifiSockAddr* nodeAddress = node->getActiveSocket();
-                queuePacketForSending(*nodeAddress, bufferOut, sizeOut);
+                _packetSender.queuePacketForSending(*nodeAddress, bufferOut, sizeOut);
                 nodeCount++;
             }
         }
         unlockRequestingNodes();
 
         // set our packets per second to be the number of nodes
-        setPacketsPerSecond(nodeCount);
+        _packetSender.setPacketsPerSecond(nodeCount);
 
-        continueProcessing = PacketSender::process();
+        continueProcessing = _packetSender.process();
     }
     return continueProcessing;
 }
diff --git a/libraries/octree/src/JurisdictionSender.h b/libraries/octree/src/JurisdictionSender.h
index 441bb5ee1e..287a5dbf61 100644
--- a/libraries/octree/src/JurisdictionSender.h
+++ b/libraries/octree/src/JurisdictionSender.h
@@ -21,7 +21,7 @@
 /// Will process PACKET_TYPE_JURISDICTION_REQUEST packets and send out PACKET_TYPE_JURISDICTION packets
 /// to requesting parties. As with other ReceivedPacketProcessor classes the user is responsible for reading inbound packets
 /// and adding them to the processing queue by calling queueReceivedPacket()
-class JurisdictionSender : public PacketSender, public ReceivedPacketProcessor {
+class JurisdictionSender : public ReceivedPacketProcessor {
     Q_OBJECT
 public:
     static const int DEFAULT_PACKETS_PER_SECOND = 1;
@@ -51,5 +51,7 @@ private:
     JurisdictionMap* _jurisdictionMap;
     std::queue<QUuid> _nodesRequestingJurisdictions;
     NODE_TYPE _nodeType;
+    
+    PacketSender _packetSender;
 };
 #endif // __shared__JurisdictionSender__
diff --git a/libraries/octree/src/OctreeScriptingInterface.cpp b/libraries/octree/src/OctreeScriptingInterface.cpp
index d72f2e7443..7355b8e2de 100644
--- a/libraries/octree/src/OctreeScriptingInterface.cpp
+++ b/libraries/octree/src/OctreeScriptingInterface.cpp
@@ -46,7 +46,7 @@ void OctreeScriptingInterface::init() {
     } else {
         _managedJurisdictionListener = true;
         _jurisdictionListener = new JurisdictionListener(getServerNodeType());
-        //printf("OctreeScriptingInterface::init() _managedJurisdictionListener=true, creating _jurisdictionListener=%p\n", _jurisdictionListener);
+        //qDebug("OctreeScriptingInterface::init() _managedJurisdictionListener=true, creating _jurisdictionListener=%p", _jurisdictionListener);
         _jurisdictionListener->initialize(true);
     }
     
@@ -55,7 +55,7 @@ void OctreeScriptingInterface::init() {
     } else {
         _managedPacketSender = true;
         _packetSender = createPacketSender();
-        //printf("OctreeScriptingInterface::init() _managedPacketSender=true, creating _packetSender=%p\n", _packetSender);
+        //qDebug("OctreeScriptingInterface::init() _managedPacketSender=true, creating _packetSender=%p", _packetSender);
         _packetSender->setServerJurisdictions(_jurisdictionListener->getJurisdictions());
     }
 }
diff --git a/libraries/particles/src/Particle.h b/libraries/particles/src/Particle.h
index 160eee9db2..9c93423c08 100644
--- a/libraries/particles/src/Particle.h
+++ b/libraries/particles/src/Particle.h
@@ -136,6 +136,9 @@ public:
     ParticleID(uint32_t id, uint32_t creatorTokenID, bool isKnownID) :
             id(id), creatorTokenID(creatorTokenID), isKnownID(isKnownID) { };
 
+    ParticleID(uint32_t id) :
+            id(id), creatorTokenID(UNKNOWN_TOKEN), isKnownID(true) { };
+
     uint32_t id;
     uint32_t creatorTokenID;
     bool isKnownID;
diff --git a/libraries/particles/src/ParticleCollisionSystem.cpp b/libraries/particles/src/ParticleCollisionSystem.cpp
index 61417aa735..ff65bc4298 100644
--- a/libraries/particles/src/ParticleCollisionSystem.cpp
+++ b/libraries/particles/src/ParticleCollisionSystem.cpp
@@ -16,7 +16,6 @@
 
 #include "Particle.h"
 #include "ParticleCollisionSystem.h"
-#include "ParticleEditHandle.h"
 #include "ParticleEditPacketSender.h"
 #include "ParticleTree.h"
 
@@ -117,19 +116,23 @@ void ParticleCollisionSystem::updateCollisionWithParticles(Particle* particleA)
             float massB = (particleB->getInHand()) ? MAX_MASS : particleB->getMass();
             float totalMass = massA + massB;
 
+            // handle A particle
             particleA->setVelocity(particleA->getVelocity() - axialVelocity * (2.0f * massB / totalMass));
+            ParticleProperties propertiesA;
+            ParticleID particleAid(particleA->getID());
+            propertiesA.copyFromParticle(*particleA);
+            propertiesA.setVelocity(particleA->getVelocity() * (float)TREE_SCALE);
+            _packetSender->queueParticleEditMessage(PACKET_TYPE_PARTICLE_ADD_OR_EDIT, particleAid, propertiesA);
 
-            ParticleEditHandle particleEditHandle(_packetSender, _particles, particleA->getID());
-            particleEditHandle.updateParticle(particleA->getPosition(), particleA->getRadius(), particleA->getXColor(),
-                particleA->getVelocity(), particleA->getGravity(), particleA->getDamping(), particleA->getLifetime(),
-                particleA->getInHand(), particleA->getScript());
-
+            // handle B particle
             particleB->setVelocity(particleB->getVelocity() + axialVelocity * (2.0f * massA / totalMass));
+            ParticleProperties propertiesB;
+            ParticleID particleBid(particleB->getID());
+            propertiesB.copyFromParticle(*particleB);
+            propertiesB.setVelocity(particleB->getVelocity() * (float)TREE_SCALE);
+            _packetSender->queueParticleEditMessage(PACKET_TYPE_PARTICLE_ADD_OR_EDIT, particleBid, propertiesB);
 
-            ParticleEditHandle penetratedparticleEditHandle(_packetSender, _particles, particleB->getID());
-            penetratedparticleEditHandle.updateParticle(particleB->getPosition(), particleB->getRadius(),
-                            particleB->getXColor(), particleB->getVelocity(), particleB->getGravity(), particleB->getDamping(),
-                            particleB->getLifetime(), particleB->getInHand(), particleB->getScript());
+            _packetSender->releaseQueuedMessages();
 
             penetration /= (float)(TREE_SCALE);
             updateCollisionSound(particleA, penetration, COLLISION_FREQUENCY);
@@ -256,10 +259,17 @@ void ParticleCollisionSystem::applyHardCollision(Particle* particle, float elast
             particle->getID(), velocity.x, velocity.y, velocity.z, debug::valueOf(particle->getInHand()));
     }
 
-    ParticleEditHandle particleEditHandle(_packetSender, _particles, particle->getID());
-    particleEditHandle.updateParticle(position, particle->getRadius(), particle->getXColor(), velocity,
-                           particle->getGravity(), particle->getDamping(), particle->getLifetime(),
-                           particle->getInHand(), particle->getScript());
+    // send off the result to the particle server
+    ParticleProperties properties;
+    ParticleID particleID(particle->getID());
+    properties.copyFromParticle(*particle);
+    properties.setPosition(position * (float)TREE_SCALE);
+    properties.setVelocity(velocity * (float)TREE_SCALE);
+    _packetSender->queueParticleEditMessage(PACKET_TYPE_PARTICLE_ADD_OR_EDIT, particleID, properties);
+
+    // change the local particle too...
+    particle->setPosition(position);
+    particle->setVelocity(velocity);
 }
 
 
diff --git a/libraries/particles/src/ParticleEditHandle.cpp b/libraries/particles/src/ParticleEditHandle.cpp
deleted file mode 100644
index 30ff71951d..0000000000
--- a/libraries/particles/src/ParticleEditHandle.cpp
+++ /dev/null
@@ -1,116 +0,0 @@
-//
-//  ParticleEditHandle.cpp
-//  hifi
-//
-//  Created by Brad Hefta-Gaub on 12/4/13.
-//  Copyright (c) 2013 High Fidelity, Inc. All rights reserved.
-//
-//
-
-#include "Particle.h"
-#include "ParticleEditHandle.h"
-#include "ParticleEditPacketSender.h"
-#include "ParticleTree.h"
-
-std::map<uint32_t,ParticleEditHandle*> ParticleEditHandle::_allHandles;
-
-ParticleEditHandle::ParticleEditHandle(ParticleEditPacketSender* packetSender, ParticleTree* localTree, uint32_t id) {
-    if (id == NEW_PARTICLE) {
-        _creatorTokenID = Particle::getNextCreatorTokenID();
-        _id = NEW_PARTICLE;
-        _isKnownID = false;
-        _allHandles[_creatorTokenID] = this;
-    } else {
-        _creatorTokenID = UNKNOWN_TOKEN;
-        _id = id;
-        _isKnownID = true;
-        // don't add to _allHandles because we already know it...
-    }
-    _packetSender = packetSender;
-    _localTree = localTree;
-
-}
-
-ParticleEditHandle::~ParticleEditHandle() {
-    // remove us from our _allHandles map
-    if (_creatorTokenID != UNKNOWN_TOKEN) {
-        _allHandles.erase(_allHandles.find(_creatorTokenID));
-    }
-}
-
-void ParticleEditHandle::createParticle(glm::vec3 position, float radius, xColor color, glm::vec3 velocity,
-                           glm::vec3 gravity, float damping, float lifetime, bool inHand, QString updateScript) {
-
-    // setup a ParticleDetail struct with the data
-/****
-    uint64_t now = usecTimestampNow();
-    ParticleDetail addParticleDetail = { NEW_PARTICLE, now,
-            position, radius, {color.red, color.green, color.blue },
-            velocity, gravity, damping, lifetime, inHand, updateScript, _creatorTokenID };
-
-    // queue the packet
-    _packetSender->queueParticleEditMessage(PACKET_TYPE_PARTICLE_ADD_OR_EDIT, 1, &addParticleDetail);
-
-    // release them
-    _packetSender->releaseQueuedMessages();
-
-    // if we have a local tree, also update it...
-    if (_localTree) {
-        // we can't really do this here, because if we create a particle locally, we'll get a ghost particle
-        // because we can't really handle updating/deleting it locally
-    }
-****/
-
-}
-
-bool ParticleEditHandle::updateParticle(glm::vec3 position, float radius, xColor color, glm::vec3 velocity,
-                           glm::vec3 gravity, float damping, float lifetime, bool inHand, QString updateScript) {
-
-    if (!isKnownID()) {
-        return false; // not allowed until we know the id
-    }
-
-    // setup a ParticleDetail struct with the data
-/****
-    uint64_t now = usecTimestampNow();
-    ParticleDetail newParticleDetail = { _id, now,
-            position, radius, {color.red, color.green, color.blue },
-            velocity, gravity, damping, lifetime, inHand, updateScript, _creatorTokenID };
-
-    // queue the packet
-    _packetSender->queueParticleEditMessages(PACKET_TYPE_PARTICLE_ADD_OR_EDIT, 1, &newParticleDetail);
-
-    // release them
-    _packetSender->releaseQueuedMessages();
-
-    // if we have a local tree, also update it...
-    if (_localTree) {
-        rgbColor rcolor = {color.red, color.green, color.blue };
-        Particle tempParticle(position, radius, rcolor, velocity, gravity, damping, lifetime, inHand, updateScript, _id);
-        _localTree->storeParticle(tempParticle);
-    }
-***/
-
-    return true;
-}
-
-void ParticleEditHandle::handleAddResponse(unsigned char* packetData , int packetLength) {
-    unsigned char* dataAt = packetData;
-    int numBytesPacketHeader = numBytesForPacketHeader(packetData);
-    dataAt += numBytesPacketHeader;
-
-    uint32_t creatorTokenID;
-    memcpy(&creatorTokenID, dataAt, sizeof(creatorTokenID));
-    dataAt += sizeof(creatorTokenID);
-
-    uint32_t particleID;
-    memcpy(&particleID, dataAt, sizeof(particleID));
-    dataAt += sizeof(particleID);
-
-    // find this particle in the _allHandles map
-    if (_allHandles.find(creatorTokenID) != _allHandles.end()) {
-        ParticleEditHandle* theHandle = _allHandles[creatorTokenID];
-        theHandle->_id = particleID;
-        theHandle->_isKnownID = true;
-    }
-}
diff --git a/libraries/particles/src/ParticleEditHandle.h b/libraries/particles/src/ParticleEditHandle.h
deleted file mode 100644
index 5343b29343..0000000000
--- a/libraries/particles/src/ParticleEditHandle.h
+++ /dev/null
@@ -1,53 +0,0 @@
-//
-//  ParticleEditHandle.h
-//  hifi
-//
-//  Created by Brad Hefta-Gaub on 12/4/13.
-//  Copyright (c) 2013 High Fidelity, Inc. All rights reserved.
-//
-//
-
-#ifndef __hifi__ParticleEditHandle__
-#define __hifi__ParticleEditHandle__
-
-#include <glm/glm.hpp>
-#include <stdint.h>
-
-#include <QtScript/QScriptEngine>
-#include <QtCore/QObject>
-
-#include <SharedUtil.h>
-#include <OctreePacketData.h>
-
-#include "Particle.h"
-
-class ParticleEditPacketSender;
-class ParticleTree;
-
-class ParticleEditHandle {
-public:
-    ParticleEditHandle(ParticleEditPacketSender* packetSender, ParticleTree* localTree, uint32_t id = NEW_PARTICLE);
-    ~ParticleEditHandle();
-
-    uint32_t getCreatorTokenID() const { return _creatorTokenID; }
-    uint32_t getID() const { return _id; }
-
-    bool isKnownID() const { return _isKnownID; }
-
-    void createParticle(glm::vec3 position, float radius, xColor color, glm::vec3 velocity,
-                           glm::vec3 gravity, float damping, float lifetime, bool inHand, QString updateScript);
-
-    bool updateParticle(glm::vec3 position, float radius, xColor color, glm::vec3 velocity,
-                           glm::vec3 gravity, float damping, float lifetime, bool inHand, QString updateScript);
-
-    static void handleAddResponse(unsigned char* packetData , int packetLength);
-private:
-    uint32_t _creatorTokenID;
-    uint32_t _id;
-    bool _isKnownID;
-    static std::map<uint32_t,ParticleEditHandle*> _allHandles;
-    ParticleEditPacketSender* _packetSender;
-    ParticleTree* _localTree;
-};
-
-#endif /* defined(__hifi__ParticleEditHandle__) */
\ No newline at end of file
diff --git a/libraries/particles/src/ParticleEditPacketSender.cpp b/libraries/particles/src/ParticleEditPacketSender.cpp
index f745adc05b..3206a0d200 100644
--- a/libraries/particles/src/ParticleEditPacketSender.cpp
+++ b/libraries/particles/src/ParticleEditPacketSender.cpp
@@ -42,7 +42,8 @@ void ParticleEditPacketSender::adjustEditPacketForClockSkew(unsigned char* codeC
 }
 
 
-void ParticleEditPacketSender::queueParticleEditMessage(PACKET_TYPE type, ParticleID particleID, const ParticleProperties& properties) {
+void ParticleEditPacketSender::queueParticleEditMessage(PACKET_TYPE type, ParticleID particleID, 
+                                                                const ParticleProperties& properties) {
     if (!_shouldSend) {
         return; // bail early
     }
diff --git a/libraries/particles/src/ParticleEditPacketSender.h b/libraries/particles/src/ParticleEditPacketSender.h
index c45a3ef8c4..f142931222 100644
--- a/libraries/particles/src/ParticleEditPacketSender.h
+++ b/libraries/particles/src/ParticleEditPacketSender.h
@@ -21,11 +21,13 @@ public:
     ~ParticleEditPacketSender() { }
 
     /// Send particle add message immediately
+    /// NOTE: ParticleProperties assumes that all distances are in meter units
     void sendEditParticleMessage(PACKET_TYPE type, ParticleID particleID, const ParticleProperties& properties);
 
     /// Queues an array of several voxel edit messages. Will potentially send a pending multi-command packet. Determines
     /// which voxel-server node or nodes the packet should be sent to. Can be called even before voxel servers are known, in
     /// which case up to MaxPendingMessages will be buffered and processed when voxel servers are known.
+    /// NOTE: ParticleProperties assumes that all distances are in meter units
     void queueParticleEditMessage(PACKET_TYPE type, ParticleID particleID, const ParticleProperties& properties);
 
     // My server type is the particle server
diff --git a/libraries/particles/src/ParticlesScriptingInterface.h b/libraries/particles/src/ParticlesScriptingInterface.h
index edd2ac43dc..d61f8289f4 100644
--- a/libraries/particles/src/ParticlesScriptingInterface.h
+++ b/libraries/particles/src/ParticlesScriptingInterface.h
@@ -11,7 +11,6 @@
 
 #include <QtCore/QObject>
 
-#include <JurisdictionListener.h>
 #include <OctreeScriptingInterface.h>
 #include "ParticleEditPacketSender.h"
 
diff --git a/libraries/script-engine/src/DataServerScriptingInterface.cpp b/libraries/script-engine/src/DataServerScriptingInterface.cpp
index 236f46e54c..6effd7ebdc 100644
--- a/libraries/script-engine/src/DataServerScriptingInterface.cpp
+++ b/libraries/script-engine/src/DataServerScriptingInterface.cpp
@@ -7,15 +7,15 @@
 //
 
 #include <DataServerClient.h>
+#include <NodeList.h>
 
 #include "DataServerScriptingInterface.h"
 
-DataServerScriptingInterface::DataServerScriptingInterface() :
-    _uuid(QUuid::createUuid())
+DataServerScriptingInterface::DataServerScriptingInterface()
 {
     
 }
 
 void DataServerScriptingInterface::setValueForKey(const QString& key, const QString& value) {
-    DataServerClient::putValueForKeyAndUUID(key, value, _uuid);
+    DataServerClient::putValueForKeyAndUUID(key, value, NodeList::getInstance()->getOwnerUUID());
 }
\ No newline at end of file
diff --git a/libraries/script-engine/src/DataServerScriptingInterface.h b/libraries/script-engine/src/DataServerScriptingInterface.h
index 8bd3eea565..b46c0bda7a 100644
--- a/libraries/script-engine/src/DataServerScriptingInterface.h
+++ b/libraries/script-engine/src/DataServerScriptingInterface.h
@@ -18,13 +18,8 @@ class DataServerScriptingInterface : public QObject {
 public:
     DataServerScriptingInterface();
     
-    void refreshUUID() { _uuid = QUuid::createUuid(); }
-    const QUuid& getUUID() const { return _uuid; }
-    
 public slots:
     void setValueForKey(const QString& key, const QString& value);
-private:
-    QUuid _uuid;
 };
 
 #endif /* defined(__hifi__DataServerScriptingInterface__) */
diff --git a/libraries/script-engine/src/ScriptEngine.cpp b/libraries/script-engine/src/ScriptEngine.cpp
index e6a74af9b3..a1c1f602fb 100644
--- a/libraries/script-engine/src/ScriptEngine.cpp
+++ b/libraries/script-engine/src/ScriptEngine.cpp
@@ -41,6 +41,7 @@ static QScriptValue soundConstructor(QScriptContext* context, QScriptEngine* eng
 
 ScriptEngine::ScriptEngine(const QString& scriptContents, bool wantMenuItems, const QString& fileNameString, AbstractMenuInterface* menu,
                            AbstractControllerScriptingInterface* controllerScriptingInterface) :
+    _dataServerScriptingInterface(),
     _avatarData(NULL)
 {
     _scriptContents = scriptContents;
@@ -159,10 +160,6 @@ void ScriptEngine::registerGlobalObject(const QString& name, QObject* object) {
     _engine.globalObject().setProperty(name, value);
 }
 
-void ScriptEngine::preEvaluateReset() {
-    _dataServerScriptingInterface.refreshUUID();
-}
-
 void ScriptEngine::evaluate() {
     if (!_isInitialized) {
         init();
@@ -248,9 +245,7 @@ void ScriptEngine::run() {
                 numAvatarHeaderBytes = populateTypeAndVersion(avatarPacket, PACKET_TYPE_HEAD_DATA);
                 
                 // pack the owner UUID for this script
-                QByteArray ownerUUID = nodeList->getOwnerUUID().toRfc4122();
-                memcpy(avatarPacket + numAvatarHeaderBytes, ownerUUID.constData(), ownerUUID.size());
-                numAvatarHeaderBytes += ownerUUID.size();
+                numAvatarHeaderBytes += NodeList::getInstance()->packOwnerUUID(avatarPacket);
             }
             
             int numAvatarPacketBytes = _avatarData->getBroadcastData(avatarPacket + numAvatarHeaderBytes) + numAvatarHeaderBytes;
diff --git a/libraries/script-engine/src/ScriptEngine.h b/libraries/script-engine/src/ScriptEngine.h
index ab0129bc6f..b36e2425fe 100644
--- a/libraries/script-engine/src/ScriptEngine.h
+++ b/libraries/script-engine/src/ScriptEngine.h
@@ -74,7 +74,6 @@ signals:
     void finished(const QString& fileNameString);
 
 protected:
-    void preEvaluateReset();
     
     QString _scriptContents;
     bool _isFinished;
diff --git a/libraries/shared/src/NodeList.cpp b/libraries/shared/src/NodeList.cpp
index f33137a092..f37f2b48dc 100644
--- a/libraries/shared/src/NodeList.cpp
+++ b/libraries/shared/src/NodeList.cpp
@@ -642,6 +642,12 @@ void NodeList::sendAssignment(Assignment& assignment) {
                               assignmentServerSocket->getPort());
 }
 
+int NodeList::packOwnerUUID(unsigned char* packetData) {
+    QByteArray rfcUUID = _ownerUUID.toRfc4122();
+    memcpy(packetData, rfcUUID.constData(), rfcUUID.size());
+    return rfcUUID.size();
+}
+
 int NodeList::fillPingPacket(unsigned char* buffer) {
     int numHeaderBytes = populateTypeAndVersion(buffer, PACKET_TYPE_PING);
     uint64_t currentTime = usecTimestampNow();
diff --git a/libraries/shared/src/NodeList.h b/libraries/shared/src/NodeList.h
index b5e27564b1..9ac6c5970c 100644
--- a/libraries/shared/src/NodeList.h
+++ b/libraries/shared/src/NodeList.h
@@ -96,6 +96,8 @@ public:
 
     void setAssignmentServerSocket(const HifiSockAddr& serverSocket) { _assignmentServerSocket = serverSocket; }
     void sendAssignment(Assignment& assignment);
+    
+    int packOwnerUUID(unsigned char* packetData);
 
     int fillPingPacket(unsigned char* buffer);
     int fillPingReplyPacket(unsigned char* pingBuffer, unsigned char* replyBuffer);
diff --git a/libraries/shared/src/PacketHeaders.cpp b/libraries/shared/src/PacketHeaders.cpp
index f595dfcafc..c512eac74d 100644
--- a/libraries/shared/src/PacketHeaders.cpp
+++ b/libraries/shared/src/PacketHeaders.cpp
@@ -20,7 +20,7 @@ PACKET_VERSION versionForPacketType(PACKET_TYPE type) {
             return 2;
 
         case PACKET_TYPE_HEAD_DATA:
-            return 15;
+            return 16;
 
         case PACKET_TYPE_OCTREE_STATS:
             return 2;
diff --git a/libraries/shared/src/PacketSender.h b/libraries/shared/src/PacketSender.h
index 9005a2b254..7a2c6e6d2a 100644
--- a/libraries/shared/src/PacketSender.h
+++ b/libraries/shared/src/PacketSender.h
@@ -23,7 +23,7 @@ public:
 
 
 /// Generalized threaded processor for queueing and sending of outbound packets.
-class PacketSender : public virtual GenericThread {
+class PacketSender : public GenericThread {
 public:
 
     static const uint64_t USECS_PER_SECOND;
diff --git a/libraries/shared/src/ReceivedPacketProcessor.h b/libraries/shared/src/ReceivedPacketProcessor.h
index 621204025e..567434a49e 100644
--- a/libraries/shared/src/ReceivedPacketProcessor.h
+++ b/libraries/shared/src/ReceivedPacketProcessor.h
@@ -15,7 +15,7 @@
 #include "NetworkPacket.h"
 
 /// Generalized threaded processor for handling received inbound packets. 
-class ReceivedPacketProcessor : public virtual GenericThread {
+class ReceivedPacketProcessor : public GenericThread {
 public:
     ReceivedPacketProcessor();
 
diff --git a/libraries/voxels/src/VoxelsScriptingInterface.h b/libraries/voxels/src/VoxelsScriptingInterface.h
index 6bbe21d601..a1f52fc1c3 100644
--- a/libraries/voxels/src/VoxelsScriptingInterface.h
+++ b/libraries/voxels/src/VoxelsScriptingInterface.h
@@ -11,7 +11,6 @@
 
 #include <QtCore/QObject>
 
-#include <JurisdictionListener.h>
 #include <OctreeScriptingInterface.h>
 
 #include "VoxelConstants.h"