use custom namespace for nonstandard mapping of a=ssrc lines
decouple doJoin
username property is not yet supported in chrome m27
close peerconnection when receiving an error response to session-initiate
nicer ui for muc example; pass pc_constraints (dtls) from adapter to session manager
improved readme, thanks ralphm
Merge pull request #3 from fippo/master

updated readme; minor bugfixes