Refactoring
hierachical organisation improved
componentlist
implemented handling of multiple PaintingAreas
Refactoring
Create README.md
Merge remote-tracking branch 'origin/peter'

Conflicts:
	3D/src/graphiceditor/Launch.java
	3D/src/graphiceditor/ModellingAreaFactory.java
	3D/src/graphiceditor/gui/GUIEditor.java
	3D/src/graphiceditor/gui/GUIPaintingMenu.java
	3D/src/graphiceditor/gui/MenuDisabler.java
	3D/src/graphiceditor/gui/controller/DimensionAreaController.java
	3D/src/graphiceditor/gui/controller/DimensionMenuController.java
	3D/src/graphiceditor/gui/controller/EditorController.java
	3D/src/graphiceditor/gui/controller/PaintingAreaController.java
	3D/src/graphiceditor/gui/controller/PaintingMenuController.java
	3D/src/graphiceditor/gui/fxml/main.fxml
	3D/src/graphiceditor/gui/fxml/main.fxml.bak