bug 938052, better report js errors in keyboard layouts, and fix a few
Bug 939353 - [l10n] Merge test locales in Github for developers
Revert "Bug 937630 - Remove scaling transition of lock screen to make it 60fps"

This reverts commit 9b3f7e22f7b548f10f07ba55293a682a5a2ed7bf.

The Lockscreen components partially cover the application surface.
Bug 935833 - [Flatfish] [System] Make sleep menu not fill full screen
Merge pull request #13745 from gasolin/issue-935833

Bug 935833 - [Flatfish] [System] Make sleep menu not fill full screen, r=alive
Merge pull request #13763 from TheoChevalier/merge-test-locales

Bug 939353 - [l10n] Merge test locales in Github for developers, r=kaze
Merge pull request #13700 from Pike/bug-938052-keyboard-js-errors

bug 938052, better report js errors in keyboard layouts, and fix a few, r=djf, rudyl, yuren