[bug 903192] IE popup blocker prevents users from downloading Firefox
[fix bug 911219] Change smartsphone to smartphone
Merge pull request #1202 from m-alexis/master

[fix bug 911219] Change smartsphone to smartphone
Bug 910894 - Cleanup pep8 violations and have jenkins run flake8

Add flake8 to requirements
Merge pull request #1176 from alexgibson/bug-903192-ie-popup-blocker-prevents-users-from-downloading-firefox

[bug 903192] IE popup blocker prevents users from downloading Firefox
Add querystring test URL for fx firstrun. Bug 909943.

- Remove old A/B firstrun test URLs

- Remove B firstrun template