Bug 970658 - Cache downloaded extensions in build_stage
change to http from https
fix build integration tests
Bug 1008912 - "MMS" in sms app does not translate into other language. r=julien
Bug 1020656 - Hide contacts quickscroll and search when no contacts screen is shown.
Bug 1031094 - Don't remove bookmarks from collections when uninstalling. r=kgrandon
Bug 911412 - [Buri][fugu][Language][Email]The view the attachment Button is truncated

as per comments

small nit
Bug 1019362 - adding a number of gaia ui tests for the first time use app accessibility.
Merge pull request #20823 from yzen/bug-1019362

Bug 1019362 - adding a number of gaia ui tests for the first time use ap...
Merge pull request #21297 from jrburke/bug911412-email-view-icon

Bug 911412 - [Buri][fugu][Language][Email]The view the attachment Button is truncated r=jrburke
Merge pull request #20038 from eeejay/bug-1020656

Bug 1020656 - Hide contacts quickscroll and search when no contacts scre... r=francisco
bug 1013509 - Dismiss Permission Request when requesting app is terminated. r=alive
Merge pull request #21246 from nullaus/bug1013509

bug 1013509 - Dismiss Permission Request when requesting app is terminat...
Merge pull request #21270 from Cwiiis/bug1031094-squashed

Bug 1031094 - Don't remove bookmarks from collections when uninstalling. r=kgrandon
Merge pull request #21232 from azasypkin/bug-1008912-mms-label

Bug 1008912 - "MMS" in sms app does not translate into other language. r=julien
Merge pull request #20245 from eeejay/bug-970658

Bug 970658 - Cache downloaded extensions in build_stage. r=ochameau
Bug 1002545 - Switching to b2g desktop builds
Bug 1002545 - Reducing output from download commands
Bug 1002545 - Adding a workaround for those with a firefox build
Bug 1002545 - Ensuring btoa is imported into sandboxes