detect mouse movement and modifier key changes even when KWin is idle.
As the track mouse effect requires polling to always be active disabling
it by default to prevent wasting CPU usage in the default install.
svn path=/trunk/KDE/kdebase/workspace/; revision=919711
being v2+ (right now it says just GPL, which according to GPL itself
means any GPL). Decoration clients will come later.
CCMAIL: kwin@kde.org
svn path=/trunk/KDE/kdebase/workspace/; revision=742302
Reverting r700026 and changing floats to doubles again. I'd probably like
to change even the ones interfacing with OpenGL which I've left for now.
svn path=/trunk/KDE/kdebase/workspace/; revision=707987
