* 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