GUI -- Implemented the flash service.

Change-Id: I4fb03f4c8df687ab499921d1bf2b8cb424ec306e
diff --git a/web/gui/src/main/webapp/app/index.html b/web/gui/src/main/webapp/app/index.html
index 4086ec0..da9efb0 100644
--- a/web/gui/src/main/webapp/app/index.html
+++ b/web/gui/src/main/webapp/app/index.html
@@ -60,6 +60,7 @@
 
     <script src="fw/layer/layer.js"></script>
     <script src="fw/layer/panel.js"></script>
+    <script src="fw/layer/flash.js"></script>
 
     <!-- Framework and library stylesheets included here -->
     <!-- TODO: use a single catenated-minified file here -->
@@ -69,6 +70,7 @@
     <link rel="stylesheet" href="fw/svg/glyph.css">
     <link rel="stylesheet" href="fw/svg/icon.css">
     <link rel="stylesheet" href="fw/layer/panel.css">
+    <link rel="stylesheet" href="fw/layer/flash.css">
     <link rel="stylesheet" href="fw/nav/nav.css">
 
     <!-- This is where contributed javascript will get injected -->