move notes client code into lib

index.html

@@ -316,8 +316,8 @@ linkify( 'a' );
 			hljs.initHighlightingOnLoad();
 		</script>
 
-		<!-- the next two lines enable the speaker notes server -->
+		<!-- The next two lines enable the speaker notes server -->
 		<script src="socket.io/socket.io.js"></script>
-		<script src="js/reveal.slidenotes.js"></script>
+		<script src="lib/slidenotes/client.js"></script>
 	</body>
 </html>