Document the Babel requirement
[bug 825406] Added Creative Commons link
Merge pull request #1083 from ednapiranha/bug825406

[bug 825406] Added Creative Commons link

* Do I get green squares for merging here?
Fix typo; add toc to localization docs
[bug 730420] Registration has note about username being public
Update templates/base.html  r=willkg

added the source code as seen it on the crash website and it looks
good for new contributors to get involved in hacking kitsune
[bug 835312] Add robots:noindex to mobile optimized templates.
[bug 824773] Fix overscroll on iOS
Don't letterbox the web app on iPhone 5's
Add comment to clarify edit_question conditions.