test/docs for detailed view of stubs (bug 1054532)

This type of GET always worked, it was just never
tested or documented. We're relying on it now so
let's get some test coverage.
bug 1042820 (part) migrate mail sending functionality from apps/amo to mkt/site
Merge pull request #2428 from kumar303/stub-docs

test/docs for detailed view of stubs (bug 1054532)
Bump soft time limit for reindexing
Revert "Add a file a bug link to new inapp products pages (bug 1052143)"

This reverts commit 61abf5807f1f49bf92769147a5fc3024be297b90.

Failing test: https://travis-ci.org/mozilla/zamboni/builds/33735903
allow remove coll bg image (bug 1058848)
Merge pull request #2466 from ngokevin/removebg

allow remove coll bg image (bug 1058848)
Remove AMO extensions from file_uploads (bug 999119)
fix feed tests
Merge pull request #2425 from eviljeff/movemailpy

bug 1042820 (part) migrate mail sending functionality from apps/amo to mkt/site
Bump app-validator (bug 1056231)
Comments on the Tarako review queue (bug 1053896)
Fix duplicate migration number
Clean up user table (bug 1058988)
Work in progress