Include required_features in current_version when making app GET requests in API (bug 881767)
Fix leaderboard tests.
Merge pull request #802 from kmaglione/leaderboard-tests

Fix leaderboard tests.
Only allow paid app searching for flagged users (bug 881913)
make price currency depend upon region, carrier and provider (bug 878323)
cope with missing file (bug 878323)
Fixed api search
pass in request explicitly
some more tiers
missing price
remove the high polish tiers
cope with KeyError nicely
add in currency
install btn, artist tools, review status to theme thumbnails (bug 565179)
a bunch of test fixes (bug 878323)
fireplacey url for reviews in emails (bug 879474)
remove celery_tasktree (bug 880008)
Add developer_name column to Version and update its content from manifest
Parse existing apps manifest to fill developer name (bug 880188)
Move migration since 605 is taken now