MeshManager created
Scene class was created
Splitting responsibilities among classes
GuiController removed. Work with AssetManager, TrimeshDataManager
new file:   asset_manager.cc
new file:   asset_manager.h
Track loading with AssetManager
Commit for Grablyk
Make objects available to QML when loading GUI

To achieve this, leave all objects requiring Ogre or OpenGL context in udefined
state until Ogre has been initialised, then provide them with object instances
necessary for rendering.
Moved Asset and TriMeshDataManager into separate files
Merge branch 'master' into physics

Conflicts:
	resources/gui/GUI/MenuStrip.qml
	src/CMakeLists.txt
	src/global_renderer.cc
	src/global_renderer.h
	src/gui_controller.h
	src/main.cc
	src/physics_simulation.cc
	src/physics_simulation.h
	src/simulation_runner.cc
Added a simple QSettings wrapper for QML; reimplemented Quick Start option
Made physics properties into Q_PROPERTY, exposed them to UI
Show vehicle velocity in statusbar
Reworked physics settings layout
Simulation seems to be working
Fixed wheel axis
Fixed asset rotation problem, refactored camera simulator code & QML
Unified usage of RenderingObjects
Updated libqmlogre
Fixed SettingsPanel location