[theme][xs]: fix up links in the sidebar - fixes #19.

source/_templates/contribute.html

@@ -4,12 +4,12 @@ <h3>Contribute</h3>
   be submitted via one of the following routes:</p>
   <ol>
     <li>A patch to the <a
-    href="https://github.com/okfn/dataprotocols">git repo</a> (fork and pull
+    href="https://github.com/dataprotocols/dataprotocols">git repo</a> (fork and pull
   recommended) &ndash; best for textual corrections and additions</li>
   <li>The <a
     href="http://lists.okfn.org/mailman/listinfo/data-protocols">mailing
     list</a> &ndash; best for general discussion</li>
-    <li>The <a href="https://github.com/okfn/dataprotocols/issues">issue
+    <li>The <a href="https://github.com/dataprotocols/dataprotocols/issues">issue
       tracker</a> &ndash; best for general issues or suggestions</li>
     <li><a href="https://twitter.com/DataProtocols">DataProtocols Twitter
     account</a></li>