* Add overview of active sessions
* Better display of browser/platform name
* Improve how browser information is stored and displayed for sessions overview
* Fix test
* Fix#2347 - Bind web UI access token to session
When you logout, session also destroys the access token, so it's no longer
valid. If access token is destroyed some other way, the session is also
destroyed, requiring a re-login.
Fix#1681 - Add scheduler to remove revoked access tokens and grants
* Fix test
* Basic onboarding modal that's shown to users once
* Lay out pages 2 through 5, add images, style modals (#1509)
* Lay out pages 2 through 5
Added images and laid out pages 2 through 5 in the jsx file. SCSS will
come, still working on just seeing if this works at all.
* Fix jsx errors, add images to modal pages, style modal pages
* Add animations to onboarding pager changes, improve wording and styling
* Finishing touches on the onboarding
* Add missing propTypes
* Update wording
An attempt to open a brand new Mastodon instance configured
as SINGLE_USER_MODE=true will cause an exception.
Enable temporary registration if we have no users in the database
Fixes#1817
