@PANEL: display of up to 255 running applications (from Mario79)
VRR: don't kill applications on screen resolution change
GRSCREEN: don't set up system colors (they're taken from skin file now)
DESKTOP: added ability to change window skins 'on the fly' (with preview)
git-svn-id: svn://kolibrios.org@51 a494cfbc-eb01-0410-851d-a64ba20cac60