Merge pull request #7728 from vingtetun/828843

Bug 828843 - Remove feedback app from release builds. r=ochameau
Merge pull request #7690 from jmcanterafonseca/fix_sim_ftu

Bug 828862 - [FTU] Feedback on imported contacts should be shown using a...
Merge pull request #7732 from lodr/bug-832274-no-data-usage

Bug 832274 - Restoring default visibility attributes when updating the UI to undo the effects of the FTE

Merged cause tef+ and r+