Bug 959052 - [NFC] rotating of shrink UI is wrong
follow up for 1000132
Merge pull request #19050 from gasolin/issue-959052

Bug 959052 - [NFC] rotating of shrink UI is wrong, r=alive
Bug 989985 - [FTU-Separation] Move extra Facebook import modules to shared/js/contacts/import/facebook
Bug 995458 - Only calls the last callback of an async operation
Merge pull request #19099 from rnowm/1000132-followup

Bug 1008095 - [Follow up] [Building Blocks] Split headers.css to demo @import r=jurenju
Merge pull request #19101 from jmcanterafonseca/move_facebook_import_js

Bug 989985 - [FTU-Separation] Move extra Facebook import modules to shar...
Merge pull request #18447 from crh0716/995458

Bug 995458 - Only calls the last callback of an async operation r=jaoo