remove outdated whiteboard ctrlkey code, try hard annotation edges

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

...tton/modules/whiteboard/business/shapes/DrawAnnotation.as

...n/modules/whiteboard/business/shapes/EllipseAnnotation.as

...ton/modules/whiteboard/business/shapes/IDrawAnnotation.as

.../bigbluebutton/modules/whiteboard/business/shapes/Line.as

...tton/modules/whiteboard/business/shapes/LineAnnotation.as

...odules/whiteboard/business/shapes/PencilDrawAnnotation.as

...luebutton/modules/whiteboard/business/shapes/Rectangle.as

...modules/whiteboard/business/shapes/RectangleAnnotation.as

.../modules/whiteboard/business/shapes/TextDrawAnnotation.as

...bluebutton/modules/whiteboard/business/shapes/Triangle.as

.../modules/whiteboard/business/shapes/TriangleAnnotation.as

...g/bigbluebutton/modules/whiteboard/views/IDrawListener.as

...bluebutton/modules/whiteboard/views/PencilDrawListener.as

...gbluebutton/modules/whiteboard/views/ShapeDrawListener.as

...igbluebutton/modules/whiteboard/views/TextDrawListener.as

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