Work in progress
Merge branch 'scene2d' of github.com:anserran/eadventure into scene2d

Conflicts:
	core/engine-core/src/main/java/ead/engine/core/game/GameImpl.java
	core/engine-core/src/main/java/ead/engine/core/gameobjects/sceneelements/SceneElementGO.java
	demos/techdemo/src/main/java/ead/demos/elementfactories/scenes/scenes/ShapeScene.java
	demos/techdemo/src/main/resources/data.xml