title: error after django-announcements installation
body: <p>I have recently installed <code>django-announcements</code> in my project by following the installation guide here - <a href="http://django-announcements.readthedocs.org/en/latest/installation.html" rel="nofollow">django-announcements</a></p>
  
  <p>but after installation, when I run the application (<code>runserver</code>), I get the error on console</p>
  
  <pre><code>django.core.exceptions.AppRegistryNotReady: Models aren't loaded yet.
  </code></pre>
  
  <p>To debug this I undo the changes for the <code>django-announcements</code> installation and then the application works fine.</p>
  
  <p>Searching around I also find that it might to recent django 1.7 migration that I had done and need to change the <code>wsgi.py</code> to include</p>
  
  <pre><code>application = get_wsgi_application()
  </code></pre>
  
  <p>But this is already done in my project. Please let me know if I am missing something?</p>
  
  <p>Thanks in advance.</p>