Merge branch 'fix/merchandise-thumbnails' into 'master'

Thumbnail the merchandise images

See merge request !1178

website/merchandise/templates/merchandise/index.html

 {% extends 'base.html' %}
-{% load staticfiles %}
-{% load i18n %}
+{% load staticfiles i18n thumbnail %}
 
 {% block title %}{% trans "Merchandise" %} — {{ block.super }}{% endblock %}
 {% block opengraph_title %}{% trans "Merchandise" %} — {{ block.super }}{% endblock %}
@@ -17,7 +16,7 @@
 
                 <div class="row">
                     <div class="col-12 col-md-3">
-                        <img src="{{ item.image.url }}" alt="{{ item.name }}" id="image">
+                        <img src="{% thumbnail item.image THUMBNAIL_SIZE_MEDIUM fit=False %}" id="image" alt="{{ item.name }}" />
                     </div>
                     <div class="col-12 col-md-9 pt-4 pt-md-0">
                         <h2>{{ item.name }}</h2>