Code review comment for lp:~mc-return/compiz/compiz.merge-fix1169353-screenshot-needs-color-options

Grmpf, during testing I found out that damage handling is also broken, I filed bug #1172234 about it.
This should be pretty easy to fix, so I'll do it here...

I still have a minor blending problem to fix, if you have a tip how to fix the
the-screenshot-selection-overlay-is-visible-on-screenshots-if-fbos-are-enabled
please shout out loud in the meantime... ;)