Export poll result as bitmap into PDF.

...gbluebutton/modules/polling/events/PollShowResultEvent.as

...c/org/bigbluebutton/modules/present/events/ExportEvent.as

.../bigbluebutton/modules/present/managers/PresentManager.as

...bluebutton/modules/present/ui/views/FileExportWindow.mxml

...uebutton/modules/present/ui/views/PresentationWindow.mxml

...org/bigbluebutton/modules/present/ui/views/SlideView.mxml

...on/modules/whiteboard/business/shapes/PollResultObject.as

...button/modules/whiteboard/business/shapes/ShapeFactory.as

...igbluebutton/modules/whiteboard/views/WhiteboardCanvas.as