wait for new repaint notifies controllers if move is waiting

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37350 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Catch undefined when rotate point

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37351 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e