i18n: Error pages

templates/404.html

 {% extends 'base.html' %}
-{% block title %}Page not found{% endblock %}
+{% block title %}Stránka nenalezena{% endblock %}
 
 {% block content %}
-The page you requested could not be found.
+Požadovaná stránka nebyla nalezena.
 {% endblock %}

templates/500.html

 {% extends 'base.html' %}
-{% block title %}Server error{% endblock %}
+{% block title %}Chyba serveru{% endblock %}
 
 {% block content %}
-There was an error while handling your request.
+Došlo k chybě při zpracování.
 {% endblock %}