Make comptable with Open H.323's Janus release. See...

Make comptable with Open H.323's Janus release. See http://www.sf.net/projects/openh323/ for details.  These changes will cause any version less than Janus to fail at compile time. This update may also address the recent instability noise...


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@2710 65c4cc65-6c06-0410-ace0-fbb531ad65f3