graph management - multi edge definitions
Merge branch 'devel' of https://github.com/triAGENS/ArangoDB into devel

Conflicts:
	js/apps/system/aardvark/frontend/js/views/graphManagementView.js
jslint
graph creation works
merge conflict
fixed tests
graph management - multi edge definitions
graph management - multi edge definitions
Merge branch 'devel' of github.com:triAGENS/ArangoDB into 2.2
release version 2.2.0-alpha5