Merge pull request #16 from fippo/master

use hark
Merge pull request #17 from fippo/master

fix for non-trickle mode
Merge pull request #18 from fippo/master

pranswer bugfix for ice ufrag/pwd
Merge pull request #19 from fippo/master

fix pranswer for firefox
Merge pull request #20 from fippo/master

pranswer bugfix for ice ufrag/pwd -- make it work with jitsi again
Merge pull request #21 from fippo/master

firefox now supports getAudioTracks and getVideoTracks, too
Merge pull request #23 from fippo/master

drip ice candidates
Merge pull request #24 from fippo/master

move autoaccept logic to application
Merge pull request #25 from fippo/master

move MULTIPARTY logic to application
Merge pull request #26 from fippo/master

use success and failure callbacks for setLocalDescription instead of try-catch
Merge pull request #27 from fippo/master

map senders=none to a=inactive
Merge pull request #28 from fippo/master

ack.jingle and error.jingle events for all callback/errbacks
Merge pull request #29 from fippo/master

sdp handling
Merge pull request #30 from fippo/master

check stanza from against session peerjid + fix handling of rejected m-lines
sdp crlf handling: fix pranswer support
deactivate sdp mangling
add mssing ice-udp xmlns
report packet loss statistics
fix typos in stats functionality
new plan for bundle