moved the poll specific views from the presentation module to polling module

...rg/bigbluebutton/modules/polling/assets/resizeCursorH.gif

...bigbluebutton/modules/polling/assets/resizeCursorTLBR.gif

...bigbluebutton/modules/polling/assets/resizeCursorTRBL.gif

...rg/bigbluebutton/modules/polling/assets/resizeCursorV.gif

...g/bigbluebutton/modules/polling/assets/resizeCursorVH.gif

...rc/org/bigbluebutton/modules/polling/views/PollGraphic.as

...g/bigbluebutton/modules/polling/views/PollResultsModal.as

...rg/bigbluebutton/modules/polling/views/PollResultsView.as

...gbluebutton/modules/polling/views/ResizablePollGraphic.as

...c/org/bigbluebutton/modules/polling/views/ResizeHandle.as