GUI -- Link selection showing link details implemented.
- note: basic link data shown for now. will need enhancing.

Change-Id: I067edec6f336b5ea5c83c610622346d5fcedce38
diff --git a/web/gui/src/main/webapp/app/view/topo/topo.css b/web/gui/src/main/webapp/app/view/topo/topo.css
index 9c0ebe0..870d4f8 100644
--- a/web/gui/src/main/webapp/app/view/topo/topo.css
+++ b/web/gui/src/main/webapp/app/view/topo/topo.css
@@ -432,9 +432,15 @@
     opacity: .9;
 }
 
+#ov-topo svg .link.selected,
+#ov-topo svg .link.enhanced {
+    stroke-width: 4.5px;
+}
+.light #ov-topo svg .link.selected,
 .light #ov-topo svg .link.enhanced {
     filter: url(#blue-glow);
 }
+.dark #ov-topo svg .link.selected,
 .dark #ov-topo svg .link.enhanced {
     filter: url(#yellow-glow);
 }