Allow user to redact with an equal power

Users only need their power level to be equal to the redact level for
them to be allowed to redact events.

Postgres doesn't support them like this.

We don't have a bool type in common between postgres and sqlite.

Clean up room initialSync for guest users

CentOS 7 dep instructions from MadsRC

Signed-off-by: Mads Robin Christensen <mads@v42.dk>

Signed-off-by: Mads Robin Christensen <mads@v42.dk>

Allow users to forget rooms

Don't limit connections to perspective servers

Add options for including state in search results

v2 sync: Get rid of the event_map, and rename the keys of the rooms obj

Remove m.login.token from advertised flows.

Use min and not max to set an upper bound on retry interval

s/private_user_data/account_data/

Take a boolean not a list of lambdas

Split out text for missing config options.

Fix database port script to work with new event_search table

We're keeping 'events', in case we decide to add more keys later.