Emoji: Add function to check whether editor list is empty.
Merge branch 'feature/emoji' of git://github.com/vanilla/vanilla into feature/emoji

* 'feature/emoji' of git://github.com/vanilla/vanilla:
  Make sure the autocomplete emoji are called as assets.
Merge pull request #2051 from vanilla/feature/emoji

Emoji tweaks.
Merge branch 'stage' of github.com:vanilla/vanilla into feature/multisite