mozilla-b2g/gaia — pull request #11943 by cctuan (2013-09-05 08:26:12+00:00)
Title: Bug 911677 - hide phone-related settings if telephony is not available

https://bugzilla.mozilla.org/show_bug.cgi?id=911677

use 'navigator.mozTelephony' feature detection to hide phone-related settings