pjsip: enable H264 high profile

Ignore-this: ac6a20f37fc015445c100225c53bf04a

darcs-hash:20140915081054-56b4d-4907fb70de391bd8e3e18ba2b898a17de8c37918
Set avergate and max video bitrates to unlimited

Ignore-this: 978143fc286fae25f09379895f9285c2

darcs-hash:20140915092545-56b4d-0d1261ab40aa7b76ff7e9d978a3267935dd117c6
Don't expose enable_clorbar_device as a setting

Ignore-this: d7482536c5036cc8cd63805dcc967d57

darcs-hash:20140915151521-56b4d-5db8ed4cda9feebff81ea2b46238d2dda016ba6d
pjsip: fix compilation with new libav versions

Ignore-this: 17637efcc5e5f735662800041c82fdde

darcs-hash:20140915213646-56b4d-0efcd7824e5ac5509dc5f4db290b0fb47bfdeb82