Bug 1089567 - [gallery] remove unused play button background images
Bug 1083288 - Lag when typing on keyboard after press Next button during configuration of Email App
Bug 1084137 - Clone threads intro right compartment for the mobile message mock
Merge pull request #25533 from pivanov/bug-1089567

Bug 1089567 - [gallery] remove unused play button background images
Merge pull request #25197 from jrburke/bug1083288-email-keyboard-lag-manual

Bug 1083288 - Lag when typing on keyboard after press Next button during config r=mcav
Merge pull request #25240 from mikehenrty/bug-1084137-waive-xrays

Bug 1084137 - Clone threads intro right compartment for the mobile messa...
Bug 821604 - Don't start periodic sync until we have a calendar that needs a real sync operation
Add tests
Respond to millermedeiros feedback
Update for millermedeiros review 2
Make sure we bail if no syncable accounts
Use own chai for chai-as-promised
Testing updates