Add a new application, MeetMeChannelAdmin, which is similar to MeetMeAdmin,

except it lets you operate on a channel by name instead of conference member
number.  It is very useful in combination with the 'X' option to ChanSpy.
(issue #9671, patch by mnicholson, with some small modifications by me)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@63319 65c4cc65-6c06-0410-ace0-fbb531ad65f3