presses left and right mouse button. There needs to be
found a better way of activating this though :-/.
svn path=/branches/work/kwin_composite/; revision=654750
Add ExplosionEffect which makes the windows blow up into small pieces when they're closed.
In the future this could be used only when user kills (an unresponsive) window.
svn path=/branches/work/kwin_composite/; revision=643135