Update implementation based on http://www.jabber.org/jeps/tmp/jep-0060-1.8.html#owner-subscriptions and http://www.jabber.org/jeps/tmp/jep-0060-1.8.html#owner-affiliations. JM-672

git-svn-id: http://svn.igniterealtime.org/svn/repos/wildfire/trunk@3839 b35dd754-fafc-0310-a699-88a17e54d16e