* wip on make admin button
* Finish assign admin button
* fixes from pr
* update readme; remove unnecessary console.log; add assign admin to room directory and room view; rename user_id label; set own MXID by default; fix room name display when there is no name
* Add button to generate password in UserEdit
* increase default random password length to 64, add more possible symbols to the generator
* update readme
* Add option to control user's experimental features
* Don't use ReferenceManyField, load experimental features manually
* cleanup
* Move experimental features to their own components, improve UI
* remove background from Stack
* update readme
* Fix AvatarField to work with authenticated media
* Fix ViewMediaButton to work for user's media tab and reported events
* remove console.log
* cleanup AvatarField
* use correct thumbnail size
* fix AvatarField.test
* ignore postgres data for watchman
* fix new avatar preview
* watchman should ignore testdata completely, instead of specific subdirs
* update README
* change user's media icon in sidebar - use the same icon as the media tab
* Add preview for user media files if mimeType is image/*
* Add new line in user media Dialog
For example, erased users don't have display name, so header was `User "null"`.
With this change, if there is no display name, the MXID will be show, e.g. `User "@user:example.com"`
