Merge pull request #13216 from soumyakanti/Bug_931379

Bug 931379 - Remove Pinyin (Simplified Chinese) selection from Developer... r=crh0716
(cherry picked from commit 7107b934993adc2894566ca11db956824b1c8031)
Merge pull request #13490 from eeejay/bug-936213

Bug 936213 - [homescreen] Remove aria-hidden attribute from dock pages.
(cherry picked from commit 4f06e34dee33d003bb47e625409fae89fc324dfb)
Merge pull request #13338 from evanxd/bug-925961

Bug 925961 - [B2G][Email] Receiver's email address displays as "null" after saving, editing, and then saving the draft again
(cherry picked from commit 37ad831cfde9e5b88f3e330e3a4e47b7df85b41c)
Merge pull request #13418 from timdream/keyboard-entry-point

Bug 930371 - Use "inputs" instead of "entry_points" in keyboard app manifest, r=rudyl
(cherry picked from commit 1e9aba68e8e6556d40ae2c414e9404047ec26bb8)
Merge pull request #13498 from timdream/keyboard-preload

Bug 936349 - Correct keyboard manager start-up, r=rudyl
(cherry picked from commit a44a4662c6314573dfe3d265f7ab8e3213279223)
Merge pull request #13480 from RudyLu/ftu/Bug913783-reset_keyboard_layouts

Bug 913783 - Enable language-associated keyboard layouts.
r=fcampo
(cherry picked from commit cc9fec48957c9d217221d403aac4b5f35a826dd6)
Merge pull request #11709 from timdream/jszhuyin-update

Bug 908577 - Update JSZhuyin to the latest version with glue code, r=rudyl
(cherry picked from commit 8f8de161501b016a44f5d787fff70071b060dc3a)
Bug 936350 - The keyboard management does not really handle OOM

(cherry picked from commit cded7ce967efbf3ebdffeb9ac066e26373bf5db9)