lock when needed - when we remove the dialog from the dialog list
  If this doesn't lead to severe problems, it might help with some locking issues
  in 1.4/1.2.
- Remove the term "interface" as a synonym for a SIP dialog. Sorry, Mark, but no
  one understands it... ;-)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@46379 65c4cc65-6c06-0410-ace0-fbb531ad65f3