title: crispy_forms_tag' is not a valid tag library
body: <p>I'm trying to create a Django app using Django crispy-forms.</p>
  
  <p><strong>settings.py</strong></p>
  
  <pre><code>CRISPY_TEMPLATE_PACK = 'bootstrap3'
  
  INSTALLED_APPS = (
      'django.contrib.auth',
      'django.contrib.contenttypes',
      'django.contrib.sessions',
      'django.contrib.sites',
      'django.contrib.messages',
      'django.contrib.staticfiles',
      'face',    #app name
      'crispy_forms',
  )
  </code></pre>
  
  <p><strong>index.html</strong></p>
  
  <pre><code>{% extends "base.html" %}
  {% load crispy_forms_tag %}
  
  {% block title %}
  AuthorizedUser
  {% endblock title %}
  
  {% block content %}
      &lt;h1&gt;Quote of the Day&lt;/h1&gt;
      &lt;blockquote&gt;{{quote}}&lt;/blockquote&gt;
      &lt;p&gt;Or, hit reload if you want a new one...&lt;/p&gt;
  
      &lt;form method="POST" action="{% url  %}"  &gt;
          {% csrf_token %}
          {{ form|crispy}}
          &lt;input type="hidden" name="quote" value="{{quote}}" /&gt;
          &lt;input type="hidden" name="access_token" value="{{access_token}}" /&gt;
          &lt;input type="submit" value="Set as my status!"/&gt;
      &lt;/form&gt;
  {% endblock content %}
  </code></pre>
  
  <p>When I'm running server it's raising an error </p>
  
  <blockquote>
    <p>"<code>TemplateSyntaxError at / 'crispy_forms_tag' is not a valid tag library: Template library crispy_forms_tag not found, trieddjango.templatetags.crispy_forms_tag,django.contrib.staticfiles.templatetags.crispy_forms_tag,django_facebook.templatetags.crispy_forms_tag,crispy_forms.templatetags.crispy_forms_tag</code>".</p>
  </blockquote>
  
  <p>What am I doing wrong? And how to fix it?</p>