compiz: Changes to 'compiz++'

[Dennis Kasprzyk]

 include/core/screen.h |    2 ++
 src/screen.cpp        |   11 +++++++++++
 2 files changed, 13 insertions(+)

New commits:
commit 07ef43e36f427f3819abe973bd3f0996145503a0
Author: Dennis Kasprzyk <onestone at compiz-fusion.org>
Date:   Fri Jan 16 14:31:33 2009 +0100

    Added grabExist function.