Bug 927724 - [DSDS][Gaia] Voicemail webapi will be changed for DSDS

- add feature detect for Voicemail webAPI
Bug 932044 - Remove PackStubTest and HostStubTest r=fabrice
Bug 932226 - [Settings] Lazy load keyboard scripts
Bug 930932 - Write a test to use the Keyboard's predictive text
Bug 921721 - Use settingsLock.closed
Bug 905501 - [FlatFish] Provide README for tablet customization
Bug 919370 - [Test][Keyboard] Unit test for Pinyin IME
Bug 931718 - Introduce a 'print-xulrunner-sdk' make target

In order to be able to run mochitest-remote, for example on emulator, we
need to have a way to get the correct path of the XULRunner SDK.
Merge pull request #13217 from lissyx/bug931718-v2-gaia

Bug 931718 - Introduce a 'print-xulrunner-sdk' make target
Merge pull request #13161 from luke-chang/919370_unit_test_for_pinyin

Bug 919370 - [Test][Keyboard] Unit test for Pinyin IME, r=rudylu
Revert "Merge pull request #13161 from luke-chang/919370_unit_test_for_pinyin"

This reverts commit 9ab17bf1759b8abd5e1de7e71c98f617a87a7a25, reversing
changes made to 1dd8c7d1209cdf23bd8bdfd1878fcdcdc58fb2bc.
Merge pull request #13220 from lightsofapollo/revert-9ab17bf1759b8abd5e1de7e71c98f617a87a7a25

Revert "Merge pull request #13161 from     luke-chang/919370_unit_test_for_pinyin"
Merge pull request #12961 from gasolin/issue-905501

Bug 905501 - [FlatFish] Write guideline for multiple resolution device s..., r=timdream
Merge pull request #13082 from EragonJ/bug-927724

Bug 927724 - [DSDS][Gaia] Voicemail webapi will be changed for DSDS
Merge pull request #13170 from KevinGrandon/bug_932226_settings_keyboard_scripts

Bug 932226 - [Settings] Lazy load keyboard scripts r=arthurcc
Merge pull request #13147 from viorelaioia/bug_930932

Bug 930932 - Write a test to use the Keyboard's predictive text
Bug 923355 - wait for setting to be set after switching dnt toggle
Bug 917312 - Part 1: Accept client provisioing messages.
Bug 917312 - Part 2: Update UI.
Bug 917312 - Part 3: Parse WAP provisioning doc.