rename .html templates to .jinja2 for more consistency

templates/contributions.jinja2

@@ -0,0 +1,30 @@
+{% extends "base.html" %}
+
+{% block title %}Contributions of {{ u.username }} - {{ app_name }}{% endblock %}
+
+{% block meta %}
+<meta name="robots" content="noindex,nofollow" />
+{% endblock %}
+
+{% block content %}
+<h1>Contributions of {{ u.username }}</div>
+
+<ul>
+{% for rev in contributions %}
+  <li>
+    <a href="/history/revision/{{ rev.id }}/">
+      #{{ rev.id }}
+      &middot;
+      {{ rev.pub_date.strftime("%B %-d, %Y %H:%M:%S") }}
+      {% if rev.comment %}
+      “{{ rev.comment }}”
+      {% endif %}
+    </a>
+    on
+    <a href="{{ rev.page.get_url() }}">
+      {{ rev.page.title }}
+    </a>
+  </li>
+{% endfor %}
+</ul>
+{% endblock %}