Signed-off-by: Andrew Conrad <aconrad103@gmail.com>

Revert "Add jitter to validity period of attestations"

Add jitter to validity period of attestations

This helps ensure that the renewals of attestations are spread out more
evenly.

Correctly wire in update group profile over federation

PEP8 fixes

E741 says "do not use variables named ‘l’, ‘O’, or ‘I’".

what could possibly go wrong

Fix a logcontext leak in the media repo

Updates to ID checking

Remove pointless create() method

May as well do it whenever we parse a Group ID. We check the sigil and basic
structure here so it makes sense to check the grammar in the same place.

... because the spec says we should.

Factor out a common function for checking user ids and group ids, which forbids
capitals.

It just calls the constructor, so we may as well kill it rather than having
random codepaths.

Add config to enable group creation

Enforce sensible group IDs

Fix typo in thumbnail generation

Fix 500 error when we get an error handling a PDU

Fix 500 error when fields missing from power_levels event