Vogon Latest Code

Adding interpretation creator to creation events and removed delete action again as its not working correctly

changed build path of JUNIT

added code to rearrange only the diagram nodes created from the template

abstracted list of nodes from diagram , constructed from a diagram template

Changes to add interpretation creator for appellation events and relational events

Adding username or URI as creator while uploading a network to the quadriga

changes to show remove appellation or relation in the view

Code Clean up and Added intermediate Code to get graphical Nodes from Diagram

Removed @override and added a null check to avoid null pointers.