Improving test coverage for offerToReceiveX
Adding msid support
Fixing tests
Merge pull request #99 from martinthomson/sdpwrap

Improving test coverage for offerToReceiveX
Merge pull request #100 from martinthomson/sdparta_msid

Adding msid support
Merge pull request #109 from nils-ohlmeier/multistream

SCTP attributes
Export protocol value
Add a TODO
Checkpoint
Checkpoint
Checkpoint
Export more transport params
Emit transport data
Add and check transport params
Create transports on SetLocal for offerer
Move transports to SetLocal always
Unit test for transports in SetLocal
Wire up CreateOffer
CreateOffer works
SetLocal works