See #170: exclude by default all channels-related entities from /artists, /albums and /tracks endpoints results, for backward compatibility

See #852: improved routing logic for federation messages (support multiple objects types for one route)

See #261: Added a rate-limiting (throttling system) to limit the number of requests handled per user/IP

Correct English language mistake dynamic_preferences_registry.py (overrided > overridden; cf https://english.stackexchange.com/questions/75786/overrode-vs-overridden)

Fix #809: Added admin options to disable login for users, ensure related content is deleted when deleting a user account

This reverts commit 8b47af8b, reversing
changes made to c0055b3b.