* add migration and basic UI for changing a user's theme
* update user themem
* use right text on button
* load theme based on users' selection
* load theme based on users' selection in pwa too
* update sample config
* delete older theme loading
* implement AfterLoad to set users' theme properly
* set up default theme when creating a user. This uses the installation wide theme
* use flash messages for error
* set default theme when creating a user from the cli
* fix @lunny review
* moved avatar to profile page
* combined password change, email and account deletion into account settings page
* combined totp, access tokens, linked accounts and openid into security settings page
* move access tokens to applications settings page
* small change to restart drone build
* fix change avatar url on profile page
* redirect old settings urls to new ones
* enforce only one autofocus attribute on settings pages
* set correct redirect status code
* fmt fix
