Added SYSTEM_WIDE constant.
Added SYSTEM_WIDE constant.

bobsilverberg/moztrap,bobsilverberg/moztrap,mozilla/moztrap,mozilla/moztrap,shinglyu/moztrap,mozilla/moztrap,mozilla/moztrap,shinglyu/moztrap,shinglyu/moztrap,mozilla/moztrap,mccarrmb/moztrap,mccarrmb/moztrap,bobsilverberg/moztrap,mccarrmb/moztrap,bobsilverberg/moztrap,mccarrmb/moztrap,mccarrmb/moztrap,shinglyu/moztrap,shinglyu/moztrap