GUI - Implemented link labels showing data on links when traffic is flowing..

Change-Id: I3fe602d20c5756620d2c4eb793dac2a0c8d1379c
diff --git a/web/gui/src/main/webapp/topo2.css b/web/gui/src/main/webapp/topo2.css
index f1dbf5e..d14b966 100644
--- a/web/gui/src/main/webapp/topo2.css
+++ b/web/gui/src/main/webapp/topo2.css
@@ -154,6 +154,17 @@
     stroke-dasharray: 8 8
 }
 
+#topo svg .linkLabel rect {
+    fill: #eef;
+    stroke: blue;
+    stroke-width: 0.3;
+}
+#topo svg .linkLabel text {
+    text-anchor: middle;
+    fill: #a13d11;
+    stroke: none;
+    font-size: 8pt;
+}
 
 /* Fly-in details pane */