In DRF APIs, return a single translation if 'lang' GET param is passed (bug 907820)
Convert NewsletterResource to DRF (bug 910564)
document payment account and upsell (bug 933370)
Merge pull request #1327 from andymckay/933370

document payment account and upsell (bug 933370)
Fix Feedback email not containing user info (bug 910556)
Fix deletion of collections, and users who own said collections, which have votes.
fix wording in STATUS_PUBLIC_WAITING approval email (bug 933854)
improved spacing in install button summary (bug 668674)
Merge pull request #1329 from vinyll/css_hovercard_space-668674

Css hovercard space 668674
only hide if there (bug 933771)
Merge pull request #1331 from andymckay/933771

only hide if there (bug 933771)
Changed stats to use Stats:View permission
fix for loop overriding variable name, ty @ashort
Bug 931370: Overlap between Tabzilla & Other Applications drop-down menu

Also included:
Revert "set tabzilla to default z-index (bug 927168)"

This reverts commit 060721132420e8909c19f607d65deae7f891dabb.
remove old app dumps on a cron (bug 877858)
Merge pull request #1328 from ngokevin/iarcsubmit

require iarc on app submit/review flows (bug 931935), iarc on my submissions (bug 931940)
iarc icons on app review page (bug 931943)
Merge pull request #1317 from ngokevin/iarcrev

iarc icons on app review page (bug 931943)
add iarc rating descriptors
Merge pull request #1314 from ngokevin/iarcdescs

add iarc rating descriptors