Convert admin section controllers to ES6 modules

app/assets/javascripts/admin/controllers/admin-reports.js.es6

@@ -0,0 +1,19 @@
+export default Ember.ObjectController.extend({
+  viewMode: 'table',
+
+  viewingTable: Em.computed.equal('viewMode', 'table'),
+  viewingBarChart: Em.computed.equal('viewMode', 'barChart'),
+
+  actions: {
+    // Changes the current view mode to 'table'
+    viewAsTable: function() {
+      this.set('viewMode', 'table');
+    },
+
+    // Changes the current view mode to 'barChart'
+    viewAsBarChart: function() {
+      this.set('viewMode', 'barChart');
+    }
+  }
+
+});