title: how makemessages command address templates outside of project folder for *.po files
body: <p>this is my directory structure:</p>
  
  <pre><code>Implementaion\template 
  Implementaion\Agency_project\locale
  Implementaion\Agency_project\airAgency_app
  </code></pre>
  
  <p>when running <code>django-admin.py makemessages -l fa</code> it just collect translation tags from <code>Agency_project</code> folder,I don't know how to associate it with my template folder that contains my html files and is beside of <code>Agency_project</code> folder.
  I've just found <code>--symlink</code> that it didn't work,or may I couldn't use it!</p>