GUI -- Started writing the ToolbarService with its unit tests -- WIP

Change-Id: I3adb60cdf9b516e3a325a85f1b0487710ef22178
diff --git a/web/gui/src/main/webapp/app/index.html b/web/gui/src/main/webapp/app/index.html
index f6e2be7..dc8b51c 100644
--- a/web/gui/src/main/webapp/app/index.html
+++ b/web/gui/src/main/webapp/app/index.html
@@ -58,6 +58,7 @@
 
     <script src="fw/widget/widget.js"></script>
     <script src="fw/widget/table.js"></script>
+    <script src="fw/widget/toolbar.js"></script>
 
     <script src="fw/layer/layer.js"></script>
     <script src="fw/layer/panel.js"></script>