Update l10n doc to add advice on how to wrap strings
Bug 957283: firefox/speed page for pt-BR
* added a redirect for pt-BR to no longer hit the php page
* split a string in two to match the strings we already have translated
Fix bug 952587 - remove first run survey
Fix Bug 868601 - UTM vars on Android Buttons for Play Campaign Tracking
Merge pull request #1566 from pascalchevrel/Bug-957283_firefox_speed_page_l10n

Bug 957283: firefox/speed page for pt-BR
[fix bug 952662] Mixed content security warning using IE 7 on Spaces page
Merge pull request #1573 from alexgibson/mixed-content-warning-ie7-spaces-pages

[fix bug 952662] Mixed content security warning using IE 7 on Spaces pag...
Redirect /sopa to blog post for Bug 957637
Merge pull request #1565 from craigcook/bug-952587-remove-firstrun-survey

Fix bug 952587 - remove first run survey
Merge pull request #1575 from sgarrity/bug-957637-sopa-redirect

Redirect /sopa to blog post for Bug 957637
Merge pull request #1569 from kyoshino/bug-868601-gplay-link-params

Fix Bug 868601 - UTM vars on Android Buttons for Play Campaign Tracking
Merge pull request #1564 from pascalchevrel/update_l10n_documentation

Update l10n doc to add advice on how to wrap strings
Fix bug 947310 - redesign MDN home page promo

This also removes/replaces the 2013 addons promo.
Merge pull request #1571 from craigcook/bug-947310-redesign-mdn-home-panel

Fix bug 947310 - redesign MDN home page promo