Realtime capabilities for the Find-Me-Follow-Me application.

(closes issue #13295)
 Reported by: Corydon76
 Patches: 
       20080813__followme_realtime_enabled.diff.txt uploaded by Corydon76 (license 14)
 Tested by: dferrer


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@139775 65c4cc65-6c06-0410-ace0-fbb531ad65f3