Add links to Firefox OS release notes (Bug 890123)
Update OpenSans webfont from fontsquirrel
Bug 894246
Bug 894248 - Fix broken or dead link in /about/powered-by/

Remove 5 dead links + 1 soon-to-be (Songbird), fixed 5 broken links.
Adjust Russian tabzilla promo font size bug 893329
Merge pull request #1077 from dpoirier/bug-892696-change-newsletter-language-default
Merge pull request #1078 from dpoirier/bug-893165-id-newsletter-header-formatting
Merge pull request #1081 from alexgibson/adjust-russian-tabzilla-promo-text-size-bug-869004

Adjust Russian tabzilla promo font size bug 893329
Move matchMedia/scroll pos checks to desktop only. Bug 894962.
Merge pull request #1084 from jpetto/bug-894962-fxos-viewport-bug

Move matchMedia/scroll pos checks to desktop only. Bug 894962.
Merge pull request #1076 from flodolo/bug894248

Bug 894248 - Fix broken or dead link in /about/powered-by/
Fix bug 891655 - update flicks promo on home page
Merge pull request #1074 from sgarrity/bug-894246-accents

Update OpenSans webfont from fontsquirrel
Merge pull request #1085 from craigcook/bug-891655-update-flicks-promo

Fix bug 891655 - update flicks promo on home page
Merge pull request #1039 from sgarrity/bug-890123-fxos-notes-links

Add links to Firefox OS release notes (Bug 890123)
Bug 780935: Track newsletter signups in Google Analytics

Add on-submit handlers to newsletter signup forms and submit
events to GA.