[fix bug 961753] Do not trigger download in IE on /firefox/new#download-fx
Fix Bug 966938 - Firefox ESR download page is 404 for localized browsers

And fix Bug 967491 - Lack of trailing slash on aurora/beta
all-downloads pages causes 404
Merge pull request #1656 from kyoshino/bug-966938-esr-l10n-404

Fix Bug 966938 - Firefox ESR download page is 404 for localized browsers
Merge pull request #1631 from alexgibson/bug-961753-do-not-trigger-download-in-ie-download-fx

[fix bug 961753] Do not trigger download in IE on /firefox/new#download-...
Update padding on MWC preview page. Bug 957763.
Merge pull request #1658 from jpetto/bug-957763-mwc-preview-ui-update

Update padding on MWC preview page. Bug 957763.
[Bug 939312] Australis Onboarding whatsnew testing for Aurora and Beta users
Merge pull request #1657 from mozilla/australis-update-tour

[Bug 939312] Australis Onboarding whatsnew testing for Aurora users
Bug 962307 - Build Gigabit website

Bug 962307 - Fixes and tweaks for Gigabit pages

* scaled/optimized images
* added /b/ redirect
* general HTML/CSS cleanup
Merge pull request #1659 from craigcook/mmmavis-bug-962307-gigabit-v2

Bug 962307 - Gigabit Fund website