the 'i' options for app_dial and app_queue, in that they will ignore
any attempts by phones to forward the call.

(closes issue #13977)
Reported by: putnopvut
Patches:
      page_ignore_forwards.patch uploaded by putnopvut (license 60)
Tested by: putnopvut, acunningham



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@164428 65c4cc65-6c06-0410-ace0-fbb531ad65f3