Bug 946106 - [fugu][buri]pressing enter on the keyboard does not save alarm. r=mcav
Merge pull request #15299 from mcav/clock-alarm-enter-v1.3

Bug 946106 - [fugu][buri]pressing enter on the keyboard does not save alarm. r=mcav
Merge pull request #15327 from asutherland/mail-slice-batching

Bug 862870 - [email] Implement slice batching to reduce/minimize UI reflows, improve responsiveness, sync time. r=asuth
Merge pull request #15337 from asutherland/uplift-slice-batching

Bug 862870 - [email] Implement slice batching to reduce/minimize UI reflows, improve responsiveness, sync time. r=asuth, a=blocking-b2g=1.3+ Uplift
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
Merge pull request #15348 from EragonJ/v1.3-bug-948847

Bug 948847 - [Gaia] add AirplaneModeHelper