Add a basic, low level method to embed graphics in the Graph object.
System to allow dragging updates to be sent to a tool, including the co-ordinates in window and 3d space.
Modification to allow new dragging notification to work correctly as tools that could not select kept trying to drag their non-existant selection.
Added in reinitialisation method, so that when JOGL screen changes shape, lists can be recreated.
Ensure jogl visibility from these projects