Render bugfix (finally)
Put multiple deletions in a compound operation
Redo/undo compound operations correctly
Fixed bubbling again
Send new object events
Enabled new collaborative object creation
Added diff method to CollaborativeString
centralized reference manipulating functionalities and also implemented reference updating for CollabList
Merge branch 'master' into ChatDemo

Conflicts:
	src/gx/realtime/CollaborativeString.java
	src/gx/realtime/Model.java