Major changes to res_config to support centralized config, eliminate configuration of res_config_odbc, update config examples, integrate with iax2, remove mysql friends from iax2, put on flame retardant vest...


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@3914 65c4cc65-6c06-0410-ace0-fbb531ad65f3