Refactoring sandbox. AH-195
Added post game scene. Moved files. AH-195
Minor changes. AH-195
Commenting, changed parameters positions. AH-195
Changed SceneManager init signature. AH-195
Commenting. AH-195
Something something blue stuff.
Added start and goal position to level. AH
Added handling of start and goal positions. AH-206
Fixed bug in physics. AH-206
Fix switching from postgame to main menu and back to game. AH-206
Refactor game logic to separate class. AH-195
Fixed the game to initialize game logics when switching to game scene. AH-195
Merge remote-tracking branch 'origin/master' into AH-195_Integrate_Scene_Manager

Conflicts:
	Client/Source/GameLogic.cpp
Fixed merge to not crash. AH-195
Fixed restart of game. Still need to delete all instances. AH-195
Fixed restart of game. Still need to delete all instances. AH-195
Models, level unit change

Changed most of the models and boundingboxes to the new unit
1 m -> 1 cm
Merge remote-tracking branch 'origin/master' into AH-216_Unit_Change
Fixed releasing of all objects when cleaning a level. AH-195