Bug 661743 - Links for the Japanese Firefox builds (dmg) for Mac (the ja-JP-mac locale) are wrong
Fix bug 856075: Redirect technologies.html to MDN.
Add venv directory to gitignore.
Bug 873287 - 404 on manifesto links

Change to bedrock links.
Merge pull request #864 from openjck/gitignore-venv
Merge pull request #865 from openjck/bug-856075-redirect-technologies
Remove older local submodules that are now in vendor.

* Update some out-of-date docs.
* Add upgrade instructions.
Merge pull request #880 from pmclanahan/remove-old-vendor-local-things
more .hidden -> .visually-hidden
Bug 837763 - Add Firefox's Google+ and YouTube links to universal footer

Also fixes Bug 638699 - On HTTPS connection, links to Facebook and
Twitter should be HTTPS
Merge branch 'kyoshino-bug-837763-social-links'
Merge branch 'l-hedgehog-hidden-to-visually-hidden'
[Bug 837763] revert addition of Google+ and Youtube links to universal footer
Bug 872656 and Bug 872653 -- updating SUMO auto-response text and PT contact email
Bug 859572: Redirect inactive Tabzilla locales to CDN.
Merge pull request #885 from pmclanahan/tabzilla-more-redirect-cdn
fix bug 873614 age checkbox ambassadors form
Merge pull request #889 from alexgibson/age-checkbox-student-ambassador-bug-873614
Merge pull request #881 from chrismore/patch-1

Bug 873287 - 404 on manifesto links
Link to the https version of www.mozilla.org/