Experimental WebSockets support and several other changes
Optional support for WebSockets (experimental) using libwebsock;
Added an API command in the AudioBridge and VideoMCU plugins to destroy rooms besides creating them;
Added an optional secret value in the AudioBridge and VideoMCU plugins to check who's authorized to manipulate rooms;
Added a publish/unpublish to publishers in the VideoMCU (previously, configured publishers had to leave to room to unpublish);
Added core callbacks to allow plugins to request a handle and/or PeerConnection teardown