Update jade code to work with last jade version
Added version method
User iceserver instead of stun and turn
Merge branch 'trunk' of https://github.com/Quobis/QoffeeSIP into trunk
Updated RTC
Updated RTC
Removed mediaConstraints check that avoids to instanciate RTC for screensharing
Upddate RTC submodule.
Merge branch 'audio-video-screensharing' into trunk
Merge branch 'trunk' of https://github.com/Quobis/QoffeeSIP into trunk

Conflicts:
	src/sipstack.coffee
Restore to use iceServer instead of stunserver/turnserver
Moved server parameters to connect method (SippoStack v2.0)