Set Firefox 20 as new default in showfor.
[bug 857544] CSS fix for l10n, edit and delete links on revision listing.
Fix typo in cron task.
[bug853100] CrashIDs don't get auto linked in certain situations
[bug 849528] Fix check for message.recipient.
Fix layout on iOS
[bug 853657] Make the youtube embeds more fluid.
[Bug 857148] Improve Rickshaw utils.

- Make k.rickshaw into a class, k.Graph.
- Merge most of the logic of the history chart into rickshaw_utils.js
    - Series colors
    - Choosing series sets
    - Slider controls
    - Timelines (annotations).
- Make rickshaw_utils.js's primary export a constructor instead of a
  simple function.
- Some graph controls are generated automatically, instead of done in
  the DOM.
- Feature toggling is done in JS instead of by presence of certain DOM
  nodes.
[bug 855599] Allow password reset for users with UNUSABLE_PASSWORD.
Some pep8 fixes.
Include Tobbi's full name in CONTRIBUTORS
ignore node_modules and changed docs to install less globally
Update dev deploy docs.
Make that a proper sentence.
[bug 858706] added new 404 design
Fix a thing Ricky found that I missed when I fixed the other issue
[bug 858709] added mobile 404 page
[bug 859280] Add link support forums metrics.
Style 404 page using a page-not-found class.

And remove unused main class.
making it easier to work with announcements by adding filters and showing more data upfront