Move all Etherpad's access control from Meteor to a separated [Node application](https://github.com/bigbluebutton/bbb-pads).
This new app uses [Etherpad's API](https://etherpad.org/doc/v1.8.4/#index_overview)
to create groups and manage session tokens for users to access them. Each group
represents one distinct pad at the html5 client.
- Removed locked users' access to pads: replaced readOnly pad's access with a new pad's content sharing routine
- Pad's access is now controlled by [Etherpad's API](https://etherpad.org/doc/v1.8.4/#index_overview)
- Closed captions edited content now reflects at it's live feedback
- Improved closed caption's dictation mode live feedback
- Moved all Etherpad's API control from Meteor to a separated [app](https://github.com/bigbluebutton/bbb-pads)
- Included access control both in akka-apps and bbb-pads
1.HashMap updates in Meeting.java are updated
2.callback is removed from setGuestStatus.js
3.MeetingService.java passes the guest list instead of iterating through it
this fixes a crash in bbb-html5 when someone uses phone dialin. The
crash resulted in users joining the audio convference but not being
visible in the users list.
Fixed stack trace:
~~~
error: UserJoinedVoiceConfToClientEvtMsg: Error: Match error: Missing key 'pin'
at check (packages/check/match.js:36:17)
at addUser (imports/api/users/server/modifiers/addUser.js:23:3)
at addDialInUser (imports/api/users/server/modifiers/addDialInUser.js:30:10)
at EventEmitter.handleJoinVoiceUser (imports/api/voice-users/server/handlers/joinVoiceUser.js:36:5)
at EventEmitter.emitAsync (/usr/share/meteor/bundle/programs/server/npm/node_modules/eventemitter2/lib/eventemitter2.js:463:31)
at MeetingMessageQueue.handleTask (imports/startup/server/redis.js:114:10)
at imports/startup/server/redis.js:126:28
at Queue.start (/usr/share/meteor/bundle/programs/server/npm/node_modules/queue/index.js:145:17)
at Queue.<computed> [as push] (/usr/share/meteor/bundle/programs/server/npm/node_modules/queue/index.js:59:12)
at MeetingMessageQueue.add (imports/startup/server/redis.js:125:16)
at RedisPubSub.handleMessage (imports/startup/server/redis.js:327:63)
at runWithEnvironment (packages/meteor.js:1320:24)
~~~
Includes a new create param/web conf called allowModsToEjectCameras, false by
default.
Ejection does not work in breakout rooms or with non-mod users
Ejection closes _all_ webcams shared by the target user
I have growing concerns about gain node`s effect on audio quality the way it
was implemented, so I opted to fall back to HTMLMediaElement`s volume control
for the time being until we can gauge quality impacts properly later on
Add a new configuration flag enableVolumeControl, false by default while the
feature undergoes a field trial
