Bug 956941 - Localize Firefox OS FAQ page
* Change h2 title from "Using Firefox" to "Using Firefox OS"
* Wrap strings per sentence instead of per paragraph
Bug 947310 - cachebust background image, optimize SVG
Merge pull request #1579 from craigcook/master

Bug 947310 - cachebust background image, optimize SVG
Update page to say IDN TLD whitelist is no longer updated.
Merge pull request #1563 from pascalchevrel/Bug-956941_firefoxos_faq_l10n

Bug 956941 - Localize Firefox OS FAQ page
Update with review comment.
Merge pull request #1581 from gerv/master

Update page to say IDN TLD whitelist is no longer updated.
Bug 958321 - load Droid Arabic Naskh only for pages that need it

Declaring this font in the base style sheet adds 200k and two additional requests when the majority of visitors won't even need it. Instead we can load it only when the page is in a language where this font can be of use.
Merge pull request #1582 from craigcook/bug-958328-conditional-arabic-fonts

Bug 958321 - load Droid Arabic Naskh only for pages that need it