- minor cleanup
 - slowly cleaning up debug logs
reverted jssip back to 0.3.7 and fixed chrome webrtc
Merge pull request #344 from SenecaCDOT-BigBlueButton/fix-chrome-webrtc

reverted jssip back to 0.3.7 and fixed chrome webrtc
 - starting cleanup unnecessary logs
Merge branch 'merge-polling-with-master' of github.com:bigbluebutton/bigbluebutton into merge-polling-with-master
 - continue with cleanup
 - cleanup