Add the ability to use a pattern match for a hint.

(closes issue #7767)
Reported by: Corydon76
Patches:
      20070314__simple_hint_lookup.diff.txt uploaded by Corydon76
      pbx-trunk-98436.diff uploaded by plack (license 365)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@109970 65c4cc65-6c06-0410-ace0-fbb531ad65f3