Timeout federation requests

State chache

Use simplejson

Cache the result of a get_rooms_for_user query, to make user_rooms_intersect() much lighter in the read-common case

First step of making user_rooms_intersect() faster - implement in intersection logic in Python code terms of a DB query that is cacheable per user

Don't unfreeze when using FreezeEvent.get_dict, as we are using a JSONEncoder that understands FrozenDict

Add an in-memory cache for get_event in the storage layer

Factor out some of the common homeserver setup code

setup_test_homeserver function in utils.

Single source version and dependencies