Disable applications if the payment account is deleted (bug 900459)
Manual merge from master
Remove old in-app code and old stats (bug 865134)
Merge pull request #1192 from kumar303/delete-inapp

Remove old in-app code and old stats (bug 865134)
Really delete old inapp tables (bug 865134)
Maybe fix f. key error deleting inapp (bug 865134)
Fix inapp notice constraint (bug 865134)
really fix inapp notice constraint (bug 865134)
Fix bluevia constraint for inapp (bug 865134)
Disallow robots for commonplace pages

Also commbadge, we don't want robots indexing that.
Added docs for transaction API
Add doc to index so it shows up in the navigation
Removed duplicate task name from celery queues
Test for proper signal handling around soft-deleted apps (bug 914979)
reinstate 54c33d53519 (bug 896782)
Merge pull request #1197 from washort/914979

index deleted apps, without making celery explode
port abuse resource to DRF (bug 910545)
Commit from Mozilla Verbatim by user petercpg@mail.moztw.org.: 5076 of 5453 strings translated (0 fuzzy).
Commit from Mozilla Verbatim by user inma610.: 5453 of 5453 strings translated (0 fuzzy).
remove dead imports