Add conditional kovan to current network component.

ui/app/components/network.js

@@ -40,6 +40,9 @@ Network.prototype.render = function () {
   } else if (parseInt(networkNumber) === 3) {
     hoverText = 'Ropsten Test Network'
     iconName = 'ropsten-test-network'
+  } else if (providerName === 'kovan') {
+    hoverText = 'Kovan Test Network'
+    iconName = 'kovan-test-network'
   } else {
     hoverText = 'Unknown Private Network'
     iconName = 'unknown-private-network'
@@ -70,6 +73,15 @@ Network.prototype.render = function () {
                 }},
               'Ropsten Test Net'),
             ])
+          case 'kovan-test-network':
+            return h('.network-indicator', [
+              h('.menu-icon.hollow-diamond'),
+              h('.network-name', {
+                style: {
+                  color: '#690496',
+                }},
+              'Kovan Test Net'),
+            ])
           default:
             return h('.network-indicator', [
               h('i.fa.fa-question-circle.fa-lg', {