BUg 908633 - Don't require lang field on newsletter signup
Bug 908633 - mark lang field required in HTML

If lang field is displayed, mark it required in HTML
Merge pull request #1213 from dpoirier/bug-908633-required-lang-field

Bug 908633 - Don't require lang field on newsletter signup
Bug 904703: Firefox OS: fix first image for all Spanishes
Add line length checking to flake8.

Throws warnings at 150 characters. Anything beyond that
in a python file is a bit over the top.

Also clean up the grants data a lot.