title: Django: translation in templates not working
body: <p><strong>Django 1.11</strong></p>
  
  <p>I can't make Django translate templates in my project. 
  Messages were compiled and recompiled.</p>
  
  <p>Could you give me a kick here?</p>
  
  <p><strong>settings.py</strong></p>
  
  <pre><code>INSTALLED_APPS = [
  ...
      'frame',
  ...
  ]
  
  LANGUAGE_CODE = 'ru-RU'
  USE_I18N = True
  </code></pre>
  
  <p><strong>frame/templates/frame/frame_form.html</strong></p>
  
  <pre><code>{% extends 'general/cbv/general_form.html' %}
  {% load i18n %}
  
  {% block title %}
      &lt;h1&gt;{% trans "Create frame" %}&lt;/h1&gt;
  {% endblock %}
  </code></pre>
  
  <p><strong>frame/locale/ru_RU/LC_MESSAGES/django.po</strong></p>
  
  <pre><code>#: templates/frame/frame_form.html:5
  msgid "Create frame"
  msgstr "Создать сюжет"
  </code></pre>
  
  <p><strong>tree</strong></p>
  
  <pre><code>├── frame
  ...
  │   ├── locale
  │   │   └── ru_RU
  │   │       └── LC_MESSAGES
  │   │           ├── django.mo
  │   │           └── django.po
  ...
  │   ├── templates
  │   │   └── frame
  │   │       ├── frame_form.html
  </code></pre>