Ticket #3785: solution made more perfect (cleanup in the next commit)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@29905 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Ticket #3785: cleanup; rotating counter-clockwise

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@29907 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e