Bug 984328 - [Keyboard][V1.3T] The alternative char menu cannot be
displayed
 - To set initial value of cached window height/width when the keyboard
   is relaunched after memory pressure.
Merge pull request #17687 from RudyLu/keyboard/Bug984328

Bug 984328 - [Keyboard][V1.3T] The alternative char menu cannot be
r=timdream
Bug 988128 - [CardView][V1.3T] The icons of card view were broken r=alive
Merge pull request #17728 from fabricedesre/bug988128

Bug 988128 - [CardView][V1.3T] The icons of card view were broken r=aliv...
Bug 988128 - Cards view follow-up, fix travis linter and nit r=me
Bug 956631 - Disable reordering to see if things improve a=red-investigation
Revert "Bug 956631 - Disable reordering to see if things improve a=red-investigation"

This reverts commit dfcc7f8fb35f6c17d6e6556e2ef3ff8c7478d06e.