OF-443: Stop sending 1.0-version stream attributes to pre-1.0 servers. This appears to reduce issues with federating to domains powered by older domains. Patch by Marcin Cieślak.

git-svn-id: http://svn.igniterealtime.org/svn/repos/openfire/trunk@12941 b35dd754-fafc-0310-a699-88a17e54d16e