MouseMotionListener put back... (#3531)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27634 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Ticket #3485: GuiManagerW and DockManagerW don't use subclasses of AppW any more - so less things need to be loaded (when we solve it)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27635 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e