v.0.4.0

Improvements:

1. [LUNA-5854] The new Luna Accounts service is now used for accounting. Account data is no longer stored in the Backport3 database.

2. [LUNA-5877] Max page size was increased up to 1000.

Migration:

See a migration manual.

[LUNA-5854] To migrate from previous version, you should additionally execute account data migration after database migration. See account & token migration.