Update links to project resources

Author: awwright

index.html

@@ -76,8 +76,9 @@ <h2>More</h2>
 	</ul>
 	<p>Questions?  Feeling helpful?  Get involved on:
 	<ul>
-		<li>the <a href="http://github.com/json-schema/json-schema">GitHub repo</a></li>
+		<li>the <a href="http://github.com/json-schema-org/json-schema-spec">GitHub repo</a></li>
 		<li>the <a href="https://groups.google.com/forum/#!forum/json-schema">Google Group</a></li>
+		<li>the <a href="irc://chat.freenode.net/json-schema">IRC channel</a> (<a href="https://webchat.freenode.net/?channels=json-schema">Freenode Webchat</a>)</li>
 	</ul>
 </div>
 			</div>