plug clientType in UserJoin* messages, not separate ones

...ebutton/core/apps/users/SetUserClientTypeCmdMsgHdlr.scala

...tton/core/apps/users/SyncGetUsersMeetingRespMsgHdlr.scala

.../apps/users/UserJoinMeetingAfterReconnectReqMsgHdlr.scala

...luebutton/core/apps/users/UserJoinMeetingReqMsgHdlr.scala

...in/scala/org/bigbluebutton/core/apps/users/UsersApp.scala

...ebutton/core/apps/users/ValidateAuthTokenReqMsgHdlr.scala

...rc/main/scala/org/bigbluebutton/core/models/Users2x.scala

...ton/core/pubsub/senders/ReceivedJsonMsgHandlerActor.scala

...scala/org/bigbluebutton/core/running/HandlerHelpers.scala

...n/scala/org/bigbluebutton/core/running/MeetingActor.scala

...ore2/message/senders/UserJoinedMeetingEvtMsgBuilder.scala

.../main/scala/org/bigbluebutton/common2/msgs/UsersMgs.scala

...b/src/main/java/org/bigbluebutton/api/MeetingService.java

...-web/src/main/java/org/bigbluebutton/api/domain/User.java

...gbluebutton/api/messaging/messages/SetUserClientType.java

.../org/bigbluebutton/api/messaging/messages/UserJoined.java

...org/bigbluebutton/api2/bus/ReceivedJsonMsgHdlrActor.scala

...g/bigbluebutton/api2/meeting/OldMeetingMsgHdlrActor.scala

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

...ebutton/main/model/users/events/SetUserClientTypeEvent.as