bug 844068, disable l10n for metro, r=mbrubeck,glandium, a=akeybl; DONTBUILD

--HG--
extra : transplant_source : %10%F2%8E%FC%B0%B7%D4%C9%07%5Ds_%DF%B0c7%B2%7B%02%90
Bug 844007 - PL_strcmp works only if the string is null-terminated. r=hsivonen. a=lsblakk