Merge branch 'master' into glitch-soc/master

Conflicts:
	app/models/account.rb
	app/views/accounts/_header.html.haml

app/helpers/settings_helper.rb

@@ -6,6 +6,7 @@ module SettingsHelper
     ar: 'العربية',
     bg: 'Български',
     ca: 'Català',
+    co: 'Corsu',
     de: 'Deutsch',
     el: 'Ελληνικά',
     eo: 'Esperanto',

app/helpers/stream_entries_helper.rb

@@ -4,8 +4,8 @@ module StreamEntriesHelper
   EMBEDDED_CONTROLLER = 'statuses'
   EMBEDDED_ACTION = 'embed'
 
-  def display_name(account)
-    account.display_name.presence || account.username
+  def display_name(account, **options)
+    Formatter.instance.format_display_name(account, options)
   end
 
   def account_description(account)