Changes from 14/5/2014.
Changelog:
2014.05.14:
- Fixed a bug in the way we implemented a timeout on blocking writes in "RTPInterface" in
  the previous version.
- Added the ability to receive the "audio/G722" RTP payload format (using "SimpleRTPSource").
Merge pull request #16 from lshl/master

Changes from 14/5/2014.