- removed unused globals: codecèprefs, codec_master, codec_rates
- moved global debug to profile
- store button type as id in DB (avoid case-sensitivity problem)
-

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@16794 d0543943-73ff-0310-b7d9-9358b9ac24b2