Fix async function in NicerConnection (lynckia#1114)

implemented proper sdp parser for older implementation of simulcast (…

…Firefox) (lynckia#1100)

Update AdapterJS to version 5.0.6 (lynckia#1057)

Fix a leak when cancelling scheduled tasks (lynckia#1022)

Fix a leak when cancelling scheduled tasks (lynckia#1022)

Avoid sending messages when socket is not connected (lynckia#991)

Fix issues with audio only streams. (lynckia#986)

Added needed folders to release mechanism

fixed MovingAverageStat when value < old_value (lynckia#865)

Release 2