mastodon/app/views/accounts
ThibG 7c48688d85 Make avatar and headers respect `auto_play_gif` ()
* Do not animate account header art if user's GIF autoplay setting is off

Fixes 

* Honour currently logged-in user's GIF autoplay setting for account avatars

Fixes 

* Fix avatar display on some public pages when data is stored on a different host

* Use ternary operator instead of if/else for avatar/header URL
..
_bio.html.haml Redesign forms, verify link ownership with rel="me" ()
_header.html.haml Make avatar and headers respect `auto_play_gif` ()
_moved.html.haml Add rel=me to moved accounts' link ()
_og.html.haml Add description meta tag additionally to og:description ()
show.html.haml WebSub: ATOM before RSS ()