Remove `AddonType` model and everything linked to it (bug 1026178)
Merge pull request #2566 from diox/remove-addontype-and-type

Remove `AddonType` model and everything linked to it (bug 1026178)
use acl to check perms for curator search
Merge pull request #2582 from ngokevin/master

use acl to check perms for curator search
migrate middleware, models, fields & remaining useful management command
Merge pull request #2557 from eviljeff/migratemodels

migrate middleware, models, fields & remaining useful management command
Bump marketplace-constants
bump to fix setup.py