Bug 921050 - Send email in the background.
Update README.md
Bug 1028533 - Check hwSupportedTypes exists. r=vingtetun
Merge pull request #21648 from vingtetun/bug1028533

Bug 1028533 - Check hwSupportedTypes exists. r=vingtetun
Bug 1033255 - [Video] Remove the settings permission from the manifest. r=johu
Merge pull request #21649 from vingtetun/video.settings.permission

Bug 1033255 - [Video] Remove the settings permission from the manifest. ...
Bug 1033255 - [Gallery] Remove the settings permission from the manifest. r=pdahiya
Merge pull request #21650 from vingtetun/gallery.settings.permission

Bug 1033255 - [Gallery] Remove the settings permission from the manifest...
Merge pull request #19516 from mcav/async-send

Bug 921050 - Send email in the background. r=asuth
Bug 1017002 - [Homescreen] Disable intermittent Marionette JS failure on Travis: 1) Homescreen navigation > Going to the homescreen and back to a warm app: AssertionError: we got 2 reflows instead of 0
Merge pull request #21647 from tanay1337/master

Update README.md r=kgrandon