Updates to main branch for video
Touch ups for video build v1
Refactor of voiceclient and clientsignalingthread to dispatch messages back over main thread, created tasks for keepalive, send and receive messages, added debug while cleaning uneeded logs
Update README.md
Fixing IOS audio build. Broke because gyp_chromium only looks for supplement.gypi in a subdirectory of trunk, moved supplement.gypi to client/
Merge branch 'master' of https://github.com/lukeweber/webrtc-jingle-client