Removed background for mobile breakpoints.

Should fix issue with flickering on FxOS devices.
Disabled csslint in the css grunt task.
Increased sleep time on travis before testing.
Merge pull request #273 from mozilla-services/issue-272-fxos-flickering

Removed background for mobile breakpoint
resolving main.css
Merge pull request #267 from pdehaan/scsslint

tweaking the Sass per scss-lint rules
Fix to correct out of standard logging flag

* How the heck did I miss that one?
Merge pull request #274 from jrconlin/dev

Fix to correct out of standard logging flag
Merge pull request #263 from mozilla-services/dev

Sync to Master

*REQUIRES TESTING*
Remove dev debugging statements
Merge pull request #275 from jrconlin/dev

Remove dev debugging statements
Merge pull request #276 from mozilla-services/dev

Update for RC 2
updating node modules

Conflicts:
	static/package.json
updating deps and adding shrinkwrap