GUI -- Implemented Panel Service.

Change-Id: I5e60c6ffa5676bc11f7312681af7bca85b4f8036
diff --git a/web/gui/src/main/webapp/app/index.html b/web/gui/src/main/webapp/app/index.html
index c26b8f7..beeb2d3 100644
--- a/web/gui/src/main/webapp/app/index.html
+++ b/web/gui/src/main/webapp/app/index.html
@@ -66,6 +66,7 @@
     <link rel="stylesheet" href="common.css">
     <link rel="stylesheet" href="fw/mast/mast.css">
     <link rel="stylesheet" href="fw/svg/icon.css">
+    <link rel="stylesheet" href="fw/layer/panel.css">
     <link rel="stylesheet" href="fw/nav/nav.css">
 
     <!-- This is where contributed javascript will get injected -->