Merge pull request #3239 from jessica-mitchell/fix-attribution

Fix broken attribution link in docs

Author: jessica-mitchell

doc/htmldoc/templates/layout.html

@@ -36,7 +36,7 @@
         </div>
         <div class="grid_4 narrow" >
           <div id="attribution" style="color:#666;">
-            <a href="attribution-list.html">Attribution for images and icons</a>
+            <a href="{{ pathto('attribution-list.html', 1) }}">Attribution for images and icons</a>
           </div>
         </div>
       </div>