added (stub) methods to EditorWindow.cs according to the class diagram
added List containing IPreviewables to EditorWindow according to class diagram
Merge branch 'master' of https://github.com/Firebusa/ARdevKit.git
added subcontroller to EditorWindow.cs according to class diagram. added ElementSelectionController, PreviewController, PropertyController, DeviceConnectionController.
Merge remote-tracking branch 'origin/EditorWindow' into PreviewController
added Methods to EditorWindow: 		getPreviewPanel();

added Methods to AbstractAugmentation: 	public AbstractSource { get; set; }
added Methods to AbstractTrackables:	findAugmentation(AbstractAugmentation a)
					isAugmentionFull()
added getter & setter to Vector3D