ONOS-6258: UiTopo2Overlay et al.
- revert DriverMatrix app.
- simplify overlay base class to be consistent with classic topo
- add topo2overlay and topo2traffic (skeleton code for now)

Change-Id: I88fda4d7b75807bd08637d846a869846a364c1f8
diff --git a/web/gui/src/main/webapp/index.html b/web/gui/src/main/webapp/index.html
index 7ca688d..5f3e9ff 100644
--- a/web/gui/src/main/webapp/index.html
+++ b/web/gui/src/main/webapp/index.html
@@ -154,6 +154,7 @@
     <script src="app/view/topo2/topo2NodeModel.js"></script>
     <script src="app/view/topo2/topo2NodePosition.js"></script>
     <script src="app/view/topo2/topo2NoDevicesConnected.js"></script>
+    <script src="app/view/topo2/topo2Overlay.js"></script>
     <script src="app/view/topo2/topo2Panel.js"></script>
     <script src="app/view/topo2/topo2PeerRegion.js"></script>
     <script src="app/view/topo2/topo2Prefs.js"></script>
@@ -165,6 +166,8 @@
     <script src="app/view/topo2/topo2SubRegion.js"></script>
     <script src="app/view/topo2/topo2SubRegionPanel.js"></script>
     <script src="app/view/topo2/topo2Toolbar.js"></script>
+    <script src="app/view/topo2/topo2Traffic.js"></script>
+    <script src="app/view/topo2/topo2TrafficOverlay.js"></script>
     <script src="app/view/topo2/topo2View.js"></script>
     <script src="app/view/topo2/topo2ViewController.js"></script>
     <script src="app/view/topo2/topo2Zoom.js"></script>