Roadmap
-------

 - [webrtc-gateway] Replace Sofia stack with SIP SIMPLE client SDK
 - [webrtc-confernce] Bridge SIP end-points to WebRTC conference (audio only)
 - [webrtc-confernce] File transfers
 - [webrtc-confernce] Screen sharing or second camera feed
 - [webrtc-confernce] Text chat

Improvements
------------

 - change disabled_applications to active_applications which accepts a list
   which can contain the keyword ALL and [+/-]app_name tokens
 - debian package should rename config samples as .ini
 - for debian check if we can use the snakeoil cert from the ssl-cert package