ThePimp: "Esc" now exits the about box.

git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@3098 92316355-f0b4-4df1-b90c-862c8a59935f

git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2885 92316355-f0b4-4df1-b90c-862c8a59935f