Merge pull request #11837 from asutherland/email-regex-fix

Bug 910153 - [Email] email address in a plain message body is broken, when multiple sub domains present. r=mcav, r=psingapati(cherry picked from commit 40f43a0b0e25b0cdeb6e7c82387d1fd2517c1ac6)
Merge pull request #11835 from kk1fff/b891443/p1

Bug 891443 - avoid redirecting every url started with https://www.mozilla.org in FTU, r=alive, a=leo+(cherry picked from commit 92b79a2dfe09d950e3789247a21e13083116ec0a)
Merge pull request #11803 from crh0716/905969

Bug 905969 - Turn off vibration only when leaving the silent mode r=alive a=leo+(cherry picked from commit eabc797948d3d46952f894463daeaff8db49c7a2)

Conflicts:
	apps/system/js/sound_manager.js
Bug 895726 - [Buri][Monitor][MMS] Unable to save attachement from Camera(with conlicts fixing)
Merge pull request #11939 from steveck-chung/v1-train-fix

Bug 895726 - [Buri][Monitor][MMS] Unable to save attachement from Camera(with conflicts fixing) . r=julienw
[build] Add <meta name=locales> when GAIA_CONCAT_LOCALES is true
[build] Translation dictionaries are now AST objects with type and body
[build] Copy official and unofficial branding files in multilocale.py
Land L20n/webl10n