bbb-lti v0.1: Added functionality for passing the IMS certification tests.

Signed-off-by: jfederico <jesus@123it.ca>

Merge branch 'send-receive-chat-from-js-api' of github.com:bigbluebutton/bigbluebutton into send-receive-chat-from-js-api

   properly. Will do refactoring properly for reconnects.

 - TESTING! Let's see how the client behaves when we reconnect when Flash closes the connection on RTMPT

Modified bbb-record --watch to use a combination of files in /var/bigbluebutton and /var/bigbluebutton/recording/raw as /var/bigbluebutton will have old files remove by /etc/cron.daily/bigbluebutton