Fix in-app test receipts for GUID (bug 1058112)
filter out delisted apps from feed (bug 1058139)
Merge pull request #2451 from ngokevin/feeddelist

filter out delisted apps from feed (bug 1058139)
Merge pull request #2449 from kumar303/inapp-test

Fix in-app test receipts for GUID (bug 1058112)
Replace amo.messages by django.contrib.messages (bug 1052778)
Merge pull request #2446 from diox/remove-messages-app

Replace amo.messages by django.contrib.messages (bug 1052778)
enforce minimum number of apps in colls in order to be deserialized on feed (bug 1033821)