diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index a0d867ade9..4654c311cc 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -16,7 +16,7 @@ Contributing
   git checkout -b new_branch_name 
   ```
 4. Code
-  * Follow the [coding standard](https://wiki.highfidelity.com/wiki/Coding_Standards)
+  * Follow the [coding standard](https://docs.highfidelity.com/build-guide/coding-standards)
 5. Commit
   * Use [well formed commit messages](http://tbaggery.com/2008/04/19/a-note-about-git-commit-messages.html)
 6. Update your branch
diff --git a/interface/src/scripting/Audio.h b/interface/src/scripting/Audio.h
index acf101159b..bd40de4303 100644
--- a/interface/src/scripting/Audio.h
+++ b/interface/src/scripting/Audio.h
@@ -81,7 +81,7 @@ private:
     float _inputVolume { 1.0f };
     float _inputLevel { 0.0f };
     bool _isMuted { false };
-    bool _enableNoiseReduction;
+    bool _enableNoiseReduction { true };  // Match default value of AudioClient::_isNoiseGateEnabled.
     bool _contextIsHMD { false };
 
     AudioDevices* getDevices() { return &_devices; }
diff --git a/libraries/audio/src/AudioInjector.cpp b/libraries/audio/src/AudioInjector.cpp
index ee57e42e77..9f32372a8e 100644
--- a/libraries/audio/src/AudioInjector.cpp
+++ b/libraries/audio/src/AudioInjector.cpp
@@ -27,8 +27,6 @@
 #include "AudioSRC.h"
 #include "AudioHelpers.h"
 
-int audioInjectorPtrMetaTypeId = qRegisterMetaType<AudioInjector*>();
-
 AbstractAudioInterface* AudioInjector::_localAudioInterface{ nullptr };
 
 AudioInjectorState operator& (AudioInjectorState lhs, AudioInjectorState rhs) {
diff --git a/libraries/audio/src/AudioInjector.h b/libraries/audio/src/AudioInjector.h
index aed51c5f85..fc197f7ba0 100644
--- a/libraries/audio/src/AudioInjector.h
+++ b/libraries/audio/src/AudioInjector.h
@@ -125,6 +125,4 @@ private:
     friend class AudioInjectorManager;
 };
 
-Q_DECLARE_METATYPE(AudioInjectorPointer)
-
 #endif // hifi_AudioInjector_h
diff --git a/libraries/fbx/src/OBJReader.cpp b/libraries/fbx/src/OBJReader.cpp
index 417901b9ab..a171f92907 100644
--- a/libraries/fbx/src/OBJReader.cpp
+++ b/libraries/fbx/src/OBJReader.cpp
@@ -123,6 +123,34 @@ glm::vec3 OBJTokenizer::getVec3() {
     }
     return v;
 }
+bool OBJTokenizer::getVertex(glm::vec3& vertex, glm::vec3& vertexColor) {
+    // Used for vertices which may also have a vertex color (RGB [0,1]) to follow.
+    //	NOTE: Returns true if there is a vertex color.
+    auto x = getFloat(); // N.B.: getFloat() has side-effect
+    auto y = getFloat(); // And order of arguments is different on Windows/Linux.
+    auto z = getFloat();
+    vertex = glm::vec3(x, y, z);
+
+    auto r = 1.0f, g = 1.0f, b = 1.0f;
+    bool hasVertexColor = false;
+    if (isNextTokenFloat()) {
+        // If there's another float it's one of two things: a W component or an R component. The standard OBJ spec
+        // doesn't output a W component, so we're making the assumption that if a float follows (unless it's
+        // only a single value) that it's a vertex color.
+        r = getFloat();
+        if (isNextTokenFloat()) {
+            // Safe to assume the following values are the green/blue components. 
+            g = getFloat();
+            b = getFloat();
+
+            hasVertexColor = true;
+        }
+
+        vertexColor = glm::vec3(r, g, b);
+    }
+
+    return hasVertexColor;
+}
 glm::vec2 OBJTokenizer::getVec2() {
     float uCoord = getFloat();
     float vCoord = 1.0f - getFloat();
@@ -140,7 +168,9 @@ void setMeshPartDefaults(FBXMeshPart& meshPart, QString materialID) {
 }
 
 // OBJFace
-bool OBJFace::add(const QByteArray& vertexIndex, const QByteArray& textureIndex, const QByteArray& normalIndex, const QVector<glm::vec3>& vertices) {
+//	NOTE (trent, 7/20/17): The vertexColors vector being passed-in isn't necessary here, but I'm just
+//                         pairing it with the vertices vector for consistency.
+bool OBJFace::add(const QByteArray& vertexIndex, const QByteArray& textureIndex, const QByteArray& normalIndex, const QVector<glm::vec3>& vertices, const QVector<glm::vec3>& vertexColors) {
     bool ok;
     int index = vertexIndex.toInt(&ok);
     if (!ok) {
@@ -382,7 +412,14 @@ bool OBJReader::parseOBJGroup(OBJTokenizer& tokenizer, const QVariantHash& mappi
                 #endif
             }
         } else if (token == "v") {
-            vertices.append(tokenizer.getVec3());
+            glm::vec3 vertex, vertexColor;
+
+            bool hasVertexColor = tokenizer.getVertex(vertex, vertexColor);
+            vertices.append(vertex);
+            
+            if(hasVertexColor) {
+                vertexColors.append(vertexColor);
+            }
         } else if (token == "vn") {
             normals.append(tokenizer.getVec3());
         } else if (token == "vt") {
@@ -410,7 +447,8 @@ bool OBJReader::parseOBJGroup(OBJTokenizer& tokenizer, const QVariantHash& mappi
                 assert(parts.count() >= 1);
                 assert(parts.count() <= 3);
                 const QByteArray noData {};
-                face.add(parts[0], (parts.count() > 1) ? parts[1] : noData, (parts.count() > 2) ? parts[2] : noData, vertices);
+                face.add(parts[0], (parts.count() > 1) ? parts[1] : noData, (parts.count() > 2) ? parts[2] : noData,
+                         vertices, vertexColors);
                 face.groupName = currentGroup;
                 face.materialName = currentMaterialName;
             }
@@ -540,6 +578,15 @@ FBXGeometry* OBJReader::readOBJ(QByteArray& model, const QVariantHash& mapping,
                 glm::vec3 v1 = checked_at(vertices, face.vertexIndices[1]);
                 glm::vec3 v2 = checked_at(vertices, face.vertexIndices[2]);
 
+                glm::vec3 vc0, vc1, vc2;
+                bool hasVertexColors = (vertexColors.size() > 0);
+                if (hasVertexColors) {
+                    // If there are any vertex colors, it's safe to assume all meshes had them exported.
+                    vc0 = checked_at(vertexColors, face.vertexIndices[0]);
+                    vc1 = checked_at(vertexColors, face.vertexIndices[1]);
+                    vc2 = checked_at(vertexColors, face.vertexIndices[2]);
+                }
+
                 // Scale the vertices if the OBJ file scale is specified as non-one.
                 if (scaleGuess != 1.0f) {
                     v0 *= scaleGuess;
@@ -555,6 +602,13 @@ FBXGeometry* OBJReader::readOBJ(QByteArray& model, const QVariantHash& mapping,
                 meshPart.triangleIndices.append(mesh.vertices.count());
                 mesh.vertices << v2;
 
+                if (hasVertexColors) {
+                    // Add vertex colors.
+                    mesh.colors << vc0;
+                    mesh.colors << vc1;
+                    mesh.colors << vc2;
+                }
+
                 glm::vec3 n0, n1, n2;
                 if (face.normalIndices.count()) {
                     n0 = checked_at(normals, face.normalIndices[0]);
@@ -690,6 +744,7 @@ void fbxDebugDump(const FBXGeometry& fbxgeo) {
     qCDebug(modelformat) << "  meshes.count() =" << fbxgeo.meshes.count();
     foreach (FBXMesh mesh, fbxgeo.meshes) {
         qCDebug(modelformat) << "    vertices.count() =" << mesh.vertices.count();
+        qCDebug(modelformat) << "    colors.count() =" << mesh.colors.count();
         qCDebug(modelformat) << "    normals.count() =" << mesh.normals.count();
         /*if (mesh.normals.count() == mesh.vertices.count()) {
             for (int i = 0; i < mesh.normals.count(); i++) {
diff --git a/libraries/fbx/src/OBJReader.h b/libraries/fbx/src/OBJReader.h
index 18a4b89f1e..9a32871590 100644
--- a/libraries/fbx/src/OBJReader.h
+++ b/libraries/fbx/src/OBJReader.h
@@ -20,6 +20,7 @@ public:
     void ungetChar(char ch) { _device->ungetChar(ch); }
     const QString getComment() const { return _comment; }
     glm::vec3 getVec3();
+    bool getVertex(glm::vec3& vertex, glm::vec3& vertexColor);
     glm::vec2 getVec2();
     float getFloat() { return std::stof((nextToken() != OBJTokenizer::DATUM_TOKEN) ? nullptr : getDatum().data()); }
 
@@ -38,7 +39,8 @@ public:
     QString groupName; // We don't make use of hierarchical structure, but it can be preserved for debugging and future use.
     QString materialName;
     // Add one more set of vertex data. Answers true if successful
-    bool add(const QByteArray& vertexIndex, const QByteArray& textureIndex, const QByteArray& normalIndex, const QVector<glm::vec3>& vertices);
+    bool add(const QByteArray& vertexIndex, const QByteArray& textureIndex, const QByteArray& normalIndex,
+             const QVector<glm::vec3>& vertices, const QVector<glm::vec3>& vertexColors);
     // Return a set of one or more OBJFaces from this one, in which each is just a triangle.
     // Even though FBXMeshPart can handle quads, it would be messy to try to keep track of mixed-size faces, so we treat everything as triangles.
     QVector<OBJFace> triangulate();
@@ -65,7 +67,8 @@ class OBJReader: public QObject { // QObject so we can make network requests.
     Q_OBJECT
 public:
     typedef QVector<OBJFace> FaceGroup;
-    QVector<glm::vec3> vertices;  // all that we ever encounter while reading
+    QVector<glm::vec3> vertices;
+    QVector<glm::vec3> vertexColors;
     QVector<glm::vec2> textureUVs;
     QVector<glm::vec3> normals;
     QVector<FaceGroup> faceGroups;
diff --git a/libraries/shared/src/shared/FileCache.cpp b/libraries/shared/src/shared/FileCache.cpp
index 695336847e..9957c6bfc6 100644
--- a/libraries/shared/src/shared/FileCache.cpp
+++ b/libraries/shared/src/shared/FileCache.cpp
@@ -258,7 +258,8 @@ namespace cache {
     };
 }
 
-void FileCache::eject(const FilePointer& file) {
+// Take file pointer by value to insure it doesn't get destructed during the "erase()" calls
+void FileCache::eject(FilePointer file) {
     file->_locked = false;
     const auto& length = file->getLength();
     const auto& key = file->getKey();
diff --git a/libraries/shared/src/shared/FileCache.h b/libraries/shared/src/shared/FileCache.h
index 1580674ca0..94fa57457a 100644
--- a/libraries/shared/src/shared/FileCache.h
+++ b/libraries/shared/src/shared/FileCache.h
@@ -119,7 +119,7 @@ private:
     void clean();
     void clear();
     // Remove a file from the cache
-    void eject(const FilePointer& file);
+    void eject(FilePointer file);
 
     size_t getOverbudgetAmount() const;
 
diff --git a/scripts/tutorials/entity_scripts/sit.js b/scripts/tutorials/entity_scripts/sit.js
index 3d3bc10fb1..d517f04c29 100644
--- a/scripts/tutorials/entity_scripts/sit.js
+++ b/scripts/tutorials/entity_scripts/sit.js
@@ -12,9 +12,9 @@
     Script.include("/~/system/libraries/utils.js");
     if (!String.prototype.startsWith) {
         String.prototype.startsWith = function(searchString, position){
-          position = position || 0;
-          return this.substr(position, searchString.length) === searchString;
-      };
+            position = position || 0;
+            return this.substr(position, searchString.length) === searchString;
+        };
     }
 
     var SETTING_KEY = "com.highfidelity.avatar.isSitting";
@@ -122,7 +122,7 @@
 
     this.rolesToOverride = function() {
         return MyAvatar.getAnimationRoles().filter(function(role) {
-            return role === "fly" || role.startsWith("inAir");
+            return !(role.startsWith("right") || role.startsWith("left"));
         });
     }
 
@@ -331,7 +331,7 @@
         }
         this.cleanupOverlay();
     }
-
+    
     this.clickDownOnEntity = function (id, event) {
         if (isInEditMode()) {
             return;