Take 2: Override app compatibility for SDK add-ons using old versions of the SDK.
Merge pull request #885 from kmaglione/jetpack-compat-override

Take 2: Override app compatibility for SDK add-ons using old versions of...
Un-magic-number the search-featured API
Add cron user.
Don't use newrelic for celery workers (bug 889924)

This is a try-and-see patch. We've noticed celery problems around the
time this was added.
direct review link URL update (bug 890358)
Bump app-validator
Add content about the type field to fix bug 890727.
Merge pull request #886 from markgif/patch-2

Add content about the type field to fix bug 890727.
added l10n comments about code blocks
Toggle id_packaged checkbox in a consistent way in submit page (bug 891890)
Use snowball analyzer for name (bug 892251)
more regions
Add features to API (bugs 881765, 881767)