- fix compile issue on bbb-apps-common as a result of adding a timestamp field on the header.

 - add some comments on when we wrap password with Option

Move RedisStorageService from bigbluebutton-web to bbb-common-message and replace jedis with lettuce-core.

 - fix screenshare redis connection error
 - fix bbb-web create meeting exception when second user joins

Add new parameter `userInactivityThresholdInMinutes` to bigbluebutton.properties and improve inactive user warning and eject from server.

Refactor user inactivity messages naming to have two distinct names: `UserInactivityInspectMsg` and `UserActivitySignResponseMsg`.

 - user static names in the set of allowed messages. This allows us to rename messages without changin this file.

 - use current presentation and page of main presentation window as default presentation for breakout rooms

 - tell akka-apps to eject user for client that violates whitelist
 - when validate token fails, disconnect client.

   messages from other users or meetings.

   might be when using multi-user whiteboard.