Let's try initializing glut before Qt, since we're getting a warning on OS X.

interface/src/Application.cpp

@@ -224,15 +224,15 @@ Application::Application(int& argc, char** argv) :
     // enable mouse tracking; otherwise, we only get drag events
     _glWidget->setMouseTracking(true);
     
+    // initialize glut, which we use for rendering spheres and such
+    glutInit(&argc, argv);
+    
     // initialization continues in initializeGL when OpenGL context is ready
 }
 
 void Application::initializeGL() {
     printLog( "Created Display Window.\n" );
     
-    int argc = 0;
-    glutInit(&argc, 0);
-    
     #ifdef _WIN32
     glewInit();
     printLog( "Glew Init complete.\n" );