ClearspaceMUCEventDelegate is now operational supporting on-demand room creation and permissions-limited room joins/deletions. Along with that work came an optimization to the user creation process (JM-1313).

git-svn-id: http://svn.igniterealtime.org/svn/repos/openfire/trunk@10163 b35dd754-fafc-0310-a699-88a17e54d16e