Fix compilation errors by changing MOZ_ASSERT to MOZ_CRASH
Merge pull request #131 from ekr/MOZ_assert_fix

Fix compilation errors by changing MOZ_ASSERT to MOZ_CRASH
Implement H264Parameters (mainly serialization).
Improve CheckRtpmap a little.
Implement Load logic for h264 fmtp.
Tolerate a= on candidates
Get some more test-cases passing.
We do not actually do telephone-event.
Teach JsepSession to handle h264 parameters.