ONOS-2849: Refactored topo dialog to general DialogService. Implemented confirmation dialog in App view.

Change-Id: Ib20e98253b2d13f7d7debef2dea5a530b61ced99
diff --git a/web/gui/src/main/webapp/index.html b/web/gui/src/main/webapp/index.html
index 8cf75e0..adead69 100644
--- a/web/gui/src/main/webapp/index.html
+++ b/web/gui/src/main/webapp/index.html
@@ -73,6 +73,7 @@
 
     <script src="app/fw/layer/layer.js"></script>
     <script src="app/fw/layer/panel.js"></script>
+    <script src="app/fw/layer/dialog.js"></script>
     <script src="app/fw/layer/flash.js"></script>
     <script src="app/fw/layer/quickhelp.js"></script>
     <script src="app/fw/layer/veil.js"></script>
@@ -86,6 +87,7 @@
     <link rel="stylesheet" href="app/fw/svg/glyph.css">
     <link rel="stylesheet" href="app/fw/svg/icon.css">
     <link rel="stylesheet" href="app/fw/layer/panel.css">
+    <link rel="stylesheet" href="app/fw/layer/dialog.css">
     <link rel="stylesheet" href="app/fw/layer/flash.css">
     <link rel="stylesheet" href="app/fw/layer/quickhelp.css">
     <link rel="stylesheet" href="app/fw/layer/veil.css">