Bug 941901 - [settings] Use correct entity name for Cell broadcast

Mispelled data-l10n-id (callBroadcast instead of cellBroadcast)
Bug 941885 - Hide 3rd-party keyboard apps under a settings db entry
Bug 941885 - Part 2, disable the feature for now
Merge pull request #13967 from timdream/keyboard-pref-off2

Bug 941885 - Hide 3rd-party keyboard apps under a settings db entry, r=rudyl
Merge pull request #13939 from flodolo/bug941901

Bug 941901 - [settings] Use correct entity name for Cell broadcast r=crh0716
Bug 940297 - Part 1: [system] There is no 'absent' cardState in New IccManager's API
Bug 940297 - Part 2: [ftu] There is no 'absent' cardState in New IccManager's API
Bug 940297 - Part 3: [setting] There is no 'absent' cardState in New IccManager's API