Bug 993318 - [Settings] build script improvement for load time

- prompt to alameda 0.2
Bug 993835 - Added Makefile for keyboard back
Bug 986662 - Delete tests
Bug 986662 - Delete app object methods
Bug 995994 - Fix test_setup_and_send_imap_email.TestSetupAndSendIMAPEmail
[Clock] Alarm volume control must change immediately when slider is moved.
Bug 994702 - making an incorrectly visible callscreen 'hold' text an aria label. r=Rik
Bug 969472 - [B2G][Calendar] Events can still be tapped on and viewed when no calendar accounts are activated
Bug 994800 - [Home2] Persist item location r=me a=gwagner
Bug 987418 - Update copy in fxa system app r=ferjm

  Also reverts commit 2c7d550 (bug 961009) and renames locales file per
  comment 1 in that bug.
Bug 996662 - Disable intermittent failing search tests on TBPL
Merge pull request #18341 from KevinGrandon/bug_994800_home2_item_persistence

Bug 994800 - [Home2] Persist item location
Merge pull request #17301 from millermedeiros/969472-event-tap-disable

Bug 969472 - [B2G][Calendar] Events can still be tapped on and viewed when no calendar accounts are activated r=gaye
Bug 981938: Remove INDEX_ID entry. Instead, use sync() to fetch keys from the DataStore and store them in a list in an IndexedDB. r=arthurcc
Merge pull request #17613 from 6a68/bug-987418-fxa-system-app-copy-update

Bug 987418 - Update copy in fxa system app
Merge pull request #18337 from mcav/fix-alarm-volume-change

Bug 996739 - [Clock] Alarm volume control must change immediately when slider is moved. r=millermedeiros
Merge pull request #18157 from gasolin/issue-993318

Bug 993318 - [Settings] build script improvement for load time, r=arthur
Merge pull request #18335 from yzen/bug-994702

Bug 994702 - making an incorectly visible callscreen 'hold' text an aria...
 Bug 985849 - [Settings] Add icons to Volume adjustment Seek Bar
Merge pull request #18098 from yurenju/keyboard-makefile

Bug 993835 - Added Makefile for keyboard back r=@cctuan