Merge branch 'master' into glitch-soc/merge-upstream

Conflicts manually resolved:
- app/services/post_status_service.rb
- config/locales/simple_form.pl.yml
- config/routes.rb
- config/webpack/loaders/sass.js
- config/webpack/shared.js
- package.json
- yarn.lock

app/javascript/mastodon/initial_state.js

@@ -16,5 +16,6 @@ export const maxChars = (initialState && initialState.max_toot_chars) || 500;
 export const invitesEnabled = getMeta('invites_enabled');
 export const version = getMeta('version');
 export const mascot = getMeta('mascot');
+export const profile_directory = getMeta('profile_directory');
 
 export default initialState;