Add logos in project lists (closes #12)

_includes/psitem.html

@@ -4,8 +4,8 @@
 
 {% assign item = include.item %}
 
-<li class="collection-item">
-<!-- XXX improve me    {% if item.logo %} <img style="width:100px" src="/{{item.logo}}" alt="{{item.title}} logo"/> {% endif %} -->
+<li class="collection-item avatar">
+    {% if item.logo %} <img src="/{{item.logo}}" alt="{{item.title}} logo" class="circle" style="border-radius: 0;" /> {% endif %}
     <a href="{{item.url}}" class="title">{{item.title}}</a>
     {% if item.funding %} ({{item.funding}}) {% endif %}
     {% if item.orphan %}<b>(up for adoption)</b>{% endif %}