[fix bug 914879] Add social media sharing widget to the Firefox download page
Cache-bust images on Firefox OS Style Guide Pages
Bug 922704
Bug 919042 - /newsletter/existing l10n

* Wrap "Submit" button on updated page for translation.
* Add comment to "existing" page template reminding that the newsletter
  description is already translated in the view code, and doesn't need
  to be wrapped in the template.
Merge pull request #1283 from sgarrity/bug-922704-styleguide-cache

Cache-bust images on Firefox OS Style Guide Pages
[fix bug 923037] Update JS animation libs on firefox partners
Merge pull request #1282 from dpoirier/bug-919042-leftover-l10n

Bug 919042 - /newsletter/existing l10n
Merge pull request #1288 from alexgibson/bug-923037-update-js-animation-libs-on-firefox-partners

[fix bug 923037] Update JS animation libs on firefox partners
Bug 858315: Redirect to archived devpreview release notes
[fix bug 884933] Replace mozilla.org list of Android devises with SUMO list
Merge pull request #1290 from alexgibson/bug-884933-replace-list-of-android-devises-with-sumo-list

[fix bug 884933] Replace mozilla.org list of Android devises with SUMO l...
Bug 924713 - dev.allizom.org/b/en-US/ has invalid attribute on Line 670, Column 54
Merge pull request #1254 from alexgibson/bug-914879-add-sharing-firefox-download-page

[fix bug 914879] Add social media sharing widget to the Firefox download...
Merge pull request #1292 from kyoshino/bug-924713-invalid-form-action

Bug 924713 - dev.allizom.org/b/en-US/ has invalid attribute on Line 670, Column 54