Merge pull request #68 from martinthomson/sdpwrap

Moving to name inference
Merge pull request #69 from martinthomson/sdpwrap

Moving to mType rather than the function name
Media sections now know what level they live at
Fix case
ASSERT rather than CRASH
Merge pull request #70 from adamroach/sdp

Media sections now know what level they live at
Merge pull request #71 from martinthomson/sdpwrap

Making errors better
Adding new protocol types to sipcc
Candidate support.
Wire up load for setup attribute. Tests pass.
Merge pull request #72 from docfaraday/multistream_unit_tests

Candidate support.
Merge pull request #73 from adamroach/sdp

Adding new protocol types to sipcc
a=ptime works
Flag attributes