Merge pull request #3278 from antobinary/master

bigbluebutton-client/locale/en_US/bbbResources.properties

...nt/src/org/bigbluebutton/main/events/BreakoutRoomEvent.as

...ent/src/org/bigbluebutton/main/model/users/UserService.as

...org/bigbluebutton/modules/users/services/MessageSender.as

...gbluebutton/modules/users/views/BreakoutRoomSettings.mxml