Continue the ModeRoute work. Routes are reachable, but extensionManager needs to be improve to provide module entries correctly

extensions/default/src/getLayoutTemplatesModule.js

@@ -6,7 +6,7 @@ export default function() {
   return [
     // Layout Template Definition
     {
-      name: 'myLayout',
+      id: 'org.ohif.defaults.viewerLayout',
       component: viewerLayout,
     },
   ];

extensions/default/src/getSidePanelModule.js

@@ -8,10 +8,16 @@ function getSidePanelModule() {
   return [
     {
       name: 'org.ohif.defaults.seriesList',
+      iconName: 'group-layers',
+      iconLabel: 'Studies',
+      label: 'Studies',
       component: helloWorldComponent,
     },
     {
       name: 'org.ohif.defaults.measure',
+      iconName: 'list-bullets',
+      iconLabel: 'Measure',
+      label: 'Measurements',
       component: helloWorldComponent,
     },
   ];