Split console_video.c so that video codecs and gui functions

are in separate files (still #include'd because of tangling in the data
structures, but this is going to be cleaned up).

The video grabbing functions still need to be moved to a separate file.



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@94774 65c4cc65-6c06-0410-ace0-fbb531ad65f3