GUI -- "State" is now an icon on Link and Cluster node views. - Icon mapping has generic names to be reused between views - Fixed broken table unit tests - Other minor cleanup

Change-Id: I7136cba15ad4fd185095617d790940d55b9f968f
diff --git a/web/gui/src/main/webapp/app/view/device/device.js b/web/gui/src/main/webapp/app/view/device/device.js
index 29567bc..c5b9828 100644
--- a/web/gui/src/main/webapp/app/view/device/device.js
+++ b/web/gui/src/main/webapp/app/view/device/device.js
@@ -56,7 +56,7 @@
         ];
 
     function addCloseBtn(div) {
-        is.loadEmbeddedIcon(div, 'appPlus', 30);
+        is.loadEmbeddedIcon(div, 'plus', 30);
         div.select('g').attr('transform', 'translate(25, 0) rotate(45)');
 
         div.on('click', function () {