Merge pull request #15063 from lissyx/bug956588

Bug 956588 - Make sure that we pass a blob when setting wallpaper r=etienne
(cherry picked from commit b902866e8f24f3b750f5eec3260ebe7edb1c647f)
Merge pull request #15429 from pmclanahan/fix-basket-ftu-xhr-949170

Bug 949170: Fix FTU basket XHR. (r=fcampo)
(cherry picked from commit 76dfda8bc562e87569b594df8a7b744571a61245)
Merge pull request #15808 from pmclanahan/send-language-to-basket-964342

Bug 964342: Send language setting to basket. (r=fcampo)
(cherry picked from commit a2fbd8f96a6d262393832f23897c09349d398981)
Merge pull request #16084 from flodolo/bug969193_okcostcontrol

Bug 969193 - [Cost Control] The string "Ok" is not localizable when launching cost control with a locked SIM
(cherry picked from commit f1aa7a363bc38040d0ad942e993d8641af8db752)
Merge pull request #16106 from flodolo/bug969978

Bug 969978 - Improve Italian keyboard layout (alternative chars for 'e' and '.')
r=rudylu
(cherry picked from commit 7a317b04529263e19a837d407aeae558d7a71aff)
Merge pull request #16031 from jmcanterafonseca/fix_gmail

Bug 962377 - [B2G][Contacts] User is unable to sign out of a gmail accou...
(cherry picked from commit d1e46d3b273c9926e87e00ec42ff115a2e1f4b7b)
Merge pull request #16160 from crdlc/bug-969170

Bug 969170 - [B2G][l10n]Buttons displayed in prompt after long pressing ...
(cherry picked from commit bf4e7addd174a222264f18c02795dd6d755b9d3c)
Merge pull request #16176 from gitmai/bug-970320-CC-add-movistar-uruguay

Bug 970320 -[Cost Control] Add configuration to provide top-up & check b...
r=salva
(cherry picked from commit 4b928371c9c58a484ae76a73c9f88a39a755a031)
Bug 970422 - Drop z-index of messages to go under the scrollbar. r=julien

(cherry picked from commit 55e1331e403ecd6739aa75fba3c678ef620f8a29)