Bug 705181: Fix annoying beeping introduced by Mac IME

NSTextInputClient should not chain unhandled commands to super

(cherry picked from commit 91bcca6f395ba6d5aa5a688d6d629633bbea539f)
x11: Don't crash when NULL eometry hints are set

Fixes crashers in gnome-panel.
Don't use UNIX-specific printer objects on non-UNIX

https://bugzilla.gnome.org/show_bug.cgi?id=704173
Updated Hebrew translation.
Updated Hebrew translation