Fix text color in dashboard inputs, sanitize remote status content in UI,

simplify FanOutOnWriteService, add /api/accounts/lookup method

app/helpers/stream_entries_helper.rb

@@ -27,4 +27,12 @@ module StreamEntriesHelper
   def favourited_by_me_class(status)
     user_signed_in? && current_user.account.favourited?(status) ? 'favourited' : ''
   end
+
+  def content_for_status(actual_status)
+    if actual_status.local?
+      linkify(actual_status)
+    else
+      sanitize(actual_status.content, tags: %w(a br p), attributes: %w(href rel))
+    end
+  end
 end