Merge pull request #1603 from rtfd/dont-show-versions-if-they-dont-exist

Disable showing the Versions tab in the footer if there aren’t any.

Author: agjohnson

readthedocs/restapi/templates/restapi/footer.html

@@ -34,7 +34,7 @@
 
       </dl>
       {% endif %}
-      {% if not project.single_version %} {# and versions|length > 1 #}
+      {% if not project.single_version and versions|length >= 1 %}
       <dl>
         <dt>Versions</dt>
         {% for version in versions %}
@@ -48,6 +48,7 @@
         {% endfor %}
       </dl>
       {% endif %}
+
       {% if downloads %}
       <dl>
         <dt>Downloads</dt>
@@ -71,15 +72,6 @@
         </dd>
       </dl>
 
-      {% if print_url %}
-      <dl>
-        <dt>Paperback</dt>
-        <dd>
-          <a href="{{ print_url }}">Buy this as a paperback</a>
-        </dd>
-      </dl>
-      {% endif %}
-
       {% if github_edit_url %}
       <dl>
         <dt>On GitHub</dt>