GUI -- Start of implementation of Panel Service.

Change-Id: I2729acc88c7130172587856f1af80ca0d66e4c5b
diff --git a/web/gui/src/main/webapp/app/index.html b/web/gui/src/main/webapp/app/index.html
index 24a2cc1..c26b8f7 100644
--- a/web/gui/src/main/webapp/app/index.html
+++ b/web/gui/src/main/webapp/app/index.html
@@ -57,6 +57,9 @@
     <script src="fw/widget/widget.js"></script>
     <script src="fw/widget/table.js"></script>
 
+    <script src="fw/layer/layer.js"></script>
+    <script src="fw/layer/panel.js"></script>
+
     <!-- Framework and library stylesheets included here -->
     <!-- TODO: use a single catenated-minified file here -->
     <link rel="stylesheet" href="onos.css">