title: install django-crispy-forms in virtual environment
body: <p>I'm working on web application project and i would lik to use django-crispy-forms as style for my login etc..
  i have created clean virtual environment for my project and installed what i need for the project until now ..!</p>
  
  <p>(env)amr@T510:~/viteco$ python --version</p>
  
  <p>Python 3.4.0</p>
  
  <p>(env)amr@T510:~/viteco$ pip list </p>
  
  <p>Django (1.8.4)</p>
  
  <p>django-registration-redux (1.2)</p>
  
  <p>pip (7.1.2)</p>
  
  <p>psycopg2 (2.6.1)</p>
  
  <p>setuptools (18.2)</p>
  
  <p>wheel (0.24.0)</p>
  
  <p>(env)amr@T510:~/viteco$ pip freeze</p>
  
  <p>Django==1.8.4</p>
  
  <p>django-registration-redux==1.2</p>
  
  <p>psycopg2==2.6.1</p>
  
  <p>wheel==0.24.0</p>
  
  <p>(env)amr@T510:~/viteco$</p>
  
  <p>now i would like to install django-crispy-forms but pip can not help me .!</p>
  
  <p>(env)amr@T510:~/viteco$ pip install --upgrade django-crispy-forms</p>
  
  <p>Collecting django-crispy-forms</p>
  
  <p>Using cached django-crispy-forms-1.5.2.tar.gz</p>
  
  <p>setuptools must be installed to install from a source distribution</p>
  
  <p>(env)amr@T510:~/viteco$ </p>