- continue refactoring

...button/modules/whiteboard/WhiteboardCanvasDisplayModel.as

...bigbluebutton/modules/whiteboard/WhiteboardCanvasModel.as

...uebutton/modules/whiteboard/events/WhiteboardDrawEvent.as

...gbluebutton/modules/whiteboard/events/WhiteboardUpdate.as

.../bigbluebutton/modules/whiteboard/managers/PageManager.as

...uebutton/modules/whiteboard/managers/WhiteboardManager.as

...org/bigbluebutton/modules/whiteboard/models/Annotation.as

...t/src/org/bigbluebutton/modules/whiteboard/models/Page.as

...g/bigbluebutton/modules/whiteboard/models/Presentation.as

...igbluebutton/modules/whiteboard/models/WhiteboardModel.as

...bluebutton/modules/whiteboard/services/MessageReceiver.as

...igbluebutton/modules/whiteboard/services/MessageSender.as

...ebutton/modules/whiteboard/views/AnnotationIDGenerator.as

...hiteboard/views/DrawObjectToAnnotationConversionHelper.as

...bluebutton/modules/whiteboard/views/WhiteboardCanvas.mxml