* Corrected COM mouse detection.
* Mouse cursor can now be at right and bottom screen sides.
* Normal handling of "desktop background redraw" event.
(Background redraw is faster now.)
* Fixed error in stretch background function for VESA 2.0.
git-svn-id: svn://kolibrios.org@473 a494cfbc-eb01-0410-851d-a64ba20cac60