ONOS-2328 GUI -- Started work on seeing multiple links between devices on the topology view. Device links are now grouped based on what device they are between. Also minor bug fixes and investigations into other bugs. WIP.

Change-Id: I444f016268efc5c489ba6ad0282d0f7827fff462
diff --git a/web/gui/src/main/webapp/app/view/topo/topoD3.js b/web/gui/src/main/webapp/app/view/topo/topoD3.js
index 1b0a128..09883b1 100644
--- a/web/gui/src/main/webapp/app/view/topo/topoD3.js
+++ b/web/gui/src/main/webapp/app/view/topo/topoD3.js
@@ -367,6 +367,7 @@
             .classed('linkLabel', true)
             .attr('id', function (d) { return d.id; });
 
+        // FIXME: x and y position calculated here, use link.position obj
         entering.each(function (d) {
             var el = d3.select(this),
                 rect,
@@ -410,6 +411,7 @@
         return box;
     }
 
+    // FIXME: x and y position calculated here
     function transformLabel(p) {
         var dx = p.x2 - p.x1,
             dy = p.y2 - p.y1,