Add Chart.js and angular-chart.js libraries for Web GUI

Change-Id: Ibcbb9df8a8dc28273e731608ec3cdb1fc49b7ef1
diff --git a/web/gui/src/main/webapp/index.html b/web/gui/src/main/webapp/index.html
index 5266d89..ce74665 100644
--- a/web/gui/src/main/webapp/index.html
+++ b/web/gui/src/main/webapp/index.html
@@ -35,6 +35,9 @@
     <script src="tp/d3.js"></script>
     <script src="tp/topojson.v1.min.js"></script>
 
+    <script src="tp/Chart.min.js"></script>
+    <script src="tp/angular-chart.min.js"></script>
+
     <!-- ONOS UI Framework included here -->
     <!-- TODO: use a single catenated-minified file here -->
     <script src="onos.js"></script>
@@ -81,6 +84,8 @@
     <script src="app/fw/layer/loading.js"></script>
 
     <!-- Framework and library stylesheets included here -->
+    <link rel="stylesheet" href="tp/angular-chart.min.css">
+
     <!-- TODO: use a single catenated-minified file here -->
     <link rel="stylesheet" href="app/onos.css">
     <link rel="stylesheet" href="app/common.css">