getRootKey function have been added to Client - so commit log can now show which is the actual branch/commit ...
getRootKey function have been added to Client - so commit log can now show which is the actual branch/commit ...


Former-commit-id: 805c594f02a13a40736d09606558cd7d39b09fd5
webgme/webgme-engine,webgme/webgme-engine,webgme/webgme-engine