dimension tree + start of jtree
JTree recursiv fertig - noch nicht getestet
code comments added
treeview finished
Merge branch 'TreeView' into Charly

Conflicts:
	SecureDWApp/SecureDWExtension/classes/.data/SecureDWExtension.cdi_javac
	SecureDWApp/SecureDWExtension/src/dke/extension/data/initialize/DBInitializer.java