Update Chartist to 0.9.4

Also include non minified version

Issue #741
Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/html/base.html

@@ -36,7 +36,7 @@
   <script src="{% static 'js/jquery.sortElements.js' %}" type="text/javascript"></script>
   <script src="{% static 'js/mousetrap.min.js' %}" type="text/javascript"></script>
   <script src="{% static 'js/mousetrap-global-bind.min.js' %}" type="text/javascript"></script>
-  <script src="{% static 'js/chartist.min.js' %}" type="text/javascript"></script>
+  <script src="{% static 'js/chartist.js' %}" type="text/javascript"></script>
   <script src="{% static 'bootstrap/js/bootstrap.js' %}" type="text/javascript"></script>
   <script src="{% static 'loader-bootstrap.js' %}" type="text/javascript"></script>
   <script src="{% static 'bootstrap/js/bootstrap-datepicker.js' %}" type="text/javascript"></script>