Update FontAwesome.php

Fix stupid code in icon.fontawesome service.
Do display block when content is empty.
Merge branch 'dev-master' into site/crom

* dev-master:
  Update FontAwesome.php
Merge branch 'site/crom' of github.com:v3knet/at_base into site/crom

* 'site/crom' of github.com:v3knet/at_base:
  Delete Routes.php
  Delete Entity_Templates.php
  Delete dev.indicator.js