added storing redis for events properties

...ference/service/participants/ParticipantsEventSender.java

.../conference/service/participants/ParticipantsHandler.java

...rence/service/presentation/IPresentationRoomListener.java

...ference/service/presentation/PresentationEventSender.java

.../conference/service/presentation/PresentationHandler.java

...luebutton/conference/service/recorder/IEventRecorder.java

...button/conference/service/recorder/IRecordDispatcher.java

.../conference/service/recorder/RecorderEventDispatcher.java

...uebutton/conference/service/recorder/RedisDispatcher.java

...n/conference/service/recorder/chat/ChatEventRecorder.java

...vice/recorder/participants/ParticipantsEventRecorder.java

...vice/recorder/presentation/PresentationEventRecorder.java

.../service/recorder/whiteboard/WhiteboardEventRecorder.java