Merge pull request #38 from infirit/master

Update POTFILES.in with changed file name in libmatepanelapplet-4.0 port
screenshot: do not segfault when taking a window picture with no delay
Merge pull request #40 from NiceandGently/master

screenshot: do not segfault when taking a window picture with no delay
Fix Sun GNOME Documentation Team references
Correct name in about dialog