This was necessary as Ignite now distributes java6 'binaries' and we need
to make sure these don't get downloaded to java5 openfire hosts running
old versions.
refs OF-698


git-svn-id: http://svn.igniterealtime.org/svn/repos/openfire/trunk@13743 b35dd754-fafc-0310-a699-88a17e54d16e