Improving the add-ons generator to deal with apps (bug 1080145)
Merge pull request #323 from davidbgk/1080145-continue-landfill-rebase

Improving the add-ons generator to deal with apps (bug 1080145)
Commit from Mozilla Verbatim by user a.polivanchuk@outlook.com.: 926 of 2994 strings translated (0 fuzzy).
Commit from Mozilla Verbatim by user a.polivanchuk@outlook.com.: 962 of 2994 strings translated (0 fuzzy).
Flake8 all the things!
Merge pull request #340 from magopian/flake8-all-the-things

Flake8 all the things!
Fix the skipped tests (bug 1050754)