- rename classes to indicate they are for recording

...common/messages/SendWhiteboardAnnotationReplyMessage.java

...mmon/messages/SendWhiteboardAnnotationRequestMessage.java

.../org/bigbluebutton/core/recorders/VoiceEventRecorder.java

.../core/recorders/events/AbstractWhiteboardRecordEvent.java

.../core/recorders/events/AddShapeWhiteboardRecordEvent.java

...n/core/recorders/events/AddTextWhiteboardRecordEvent.java

...core/recorders/events/ClearPageWhiteboardRecordEvent.java

...ore/recorders/events/ModifyTextWhiteboardRecordEvent.java

...ore/recorders/events/ToggleGridWhiteboardRecordEvent.java

...core/recorders/events/UndoShapeWhiteboardRecordEvent.java

...n/core/recorders/events/UnknownConferenceRecordEvent.java

...ton/core/recorders/events/VoiceConferenceRecordEvent.java

...core/recorders/events/VoiceStartRecordingRecordEvent.java

...ton/core/recorders/events/VoiceUserJoinedRecordEvent.java

...utton/core/recorders/events/VoiceUserLeftRecordEvent.java

...ton/core/recorders/events/VoiceUserLockedRecordEvent.java

...tton/core/recorders/events/VoiceUserMutedRecordEvent.java

...on/core/recorders/events/VoiceUserTalkingRecordEvent.java

...ebutton/core/recorders/WhiteboardEventRedisRecorder.scala