gui/html: Various improvements, including embedded context menu

+ update of jQuery
+ adding jQueryUI extension (not really used yet)
+ adding jQueryContext menu extension
+ displaying file icon based on file extension

Change-Id: Ie9cac5d69c751e010f61c64bbe3734890da0aa2f
diff --git a/gui/html/index.html b/gui/html/index.html
index ffa46a0..f006cce 100644
--- a/gui/html/index.html
+++ b/gui/html/index.html
@@ -9,10 +9,16 @@
     <title>ChronoShare</title>
 
     <!-- Load styles -->
-    <link rel="stylesheet" href="style.css" type="text/css" />
-    <script type="text/javascript" src="jquery.min.js"></script>
-    <script type="text/javascript" src="jquery.class.min.js"></script>
-    <script type="text/javascript" src="ndn-js-uncomp.js"></script>
+    <link rel="stylesheet" type="text/css" href="css/style.css" />
+    <link rel="stylesheet" type="text/css" href="css/start/jquery-ui.min.css" />
+    <link rel="stylesheet" type="text/css" href="css/jquery.contextMenu/jquery.contextMenu.css" />
+
+    <script type="text/javascript" src="js/jquery.min.js"></script>
+    <script type="text/javascript" src="js/jquery-ui.min.js"></script>
+    <script type="text/javascript" src="js/jquery.class.min.js"></script>
+    <script type="text/javascript" src="js/jquery.contextMenu.js"></script>
+
+    <script type="text/javascript" src="js/ndn-js.js"></script>
   </head>
 
   <body>