Change several 'core' commands to be 'dialplan' commands (with appropriate

deprecation, of course)
(closes issue #13016)
 Reported by: caio1982
 Patches: 
       dialplan_globals6.diff uploaded by caio1982 (license 22)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@131606 65c4cc65-6c06-0410-ace0-fbb531ad65f3