mozilla-b2g/gaia — pull request #15348 by EragonJ (2014-01-15 10:15:49+00:00)
Title: Bug 948847 - [Gaia] add AirplaneModeHelper

- other apps can use AirplaneModeHelper to know current airplane status
- add a lot of related unit tests
- add two mozSettings key for airplane mode use
- update gaia-ui-tests
- disabled some marionette tests like what we did on master