GraphViewer: The nodeShaper now lets the communityNode render itself, giving it required functions
GraphViewer: Added sections into the communityNode test, its getting quite complex now
GraphViewer: Added a test for shaping of community
GraphViewer: The communityNode now can render its bounding box.
GraphViewer: The CommunityNode is now responsible for expansion.Right now its just a callback
Merge branch 'devel' of github.com:triAGENS/ArangoDB into devel
GraphViewer: Moved dissolve -> getDissolveInfo() in the communityNode. dissolve will be used to trigger the event internally, where getDissolveInfo() just collects necessary infos
Merge branch 'devel' of github.com:triAGENS/ArangoDB into devel