only update if dict
packaged app tab should initially be shown (bug 825681)
do not do `required` form validation in devhub ... yet (bug 843341)
Fix payment settings for stage (bug 840768)
Fix for API test

Files are transformered and django likes to cache.
fix alignment of "sign in" window (bug 843283)
do a synchronous POST if locale or region changes (bug 811939)