Update simon-single cell; make topoX view scrollable.

Change-Id: I21c60c50f60183481f6527716f3ed9744dbfe511
diff --git a/tools/test/cells/simon-single b/tools/test/cells/simon-single
index 6fac736..f28c714 100644
--- a/tools/test/cells/simon-single
+++ b/tools/test/cells/simon-single
@@ -4,4 +4,4 @@
 export OC1="192.168.56.1"
 export OCN="192.168.56.99"
 
-export ONOS_APPS="drivers,openflow,drivermatrix,null"
+export ONOS_APPS="drivers,openflow,fwd,null"
diff --git a/web/gui/src/main/webapp/app/view/topoX/topoX.css b/web/gui/src/main/webapp/app/view/topoX/topoX.css
index 26661b0..a0bedc6 100644
--- a/web/gui/src/main/webapp/app/view/topoX/topoX.css
+++ b/web/gui/src/main/webapp/app/view/topoX/topoX.css
@@ -26,7 +26,12 @@
     -webkit-user-select: none;
 }
 
-/* -- TEMPORARY CSS (to be deleted) -- */
+#topoXtmp {
+    height: 600px;
+    width: 98%;
+    overflow-y: scroll;
+}
+
 #topoXtmp div {
     padding: 8px 24px;
     margin: 8px;