JS syntax consistency.

Author: heycarsten

client/app/components/progress-bar.js

@@ -1,6 +1,7 @@
 export default Ember.Component.extend({
-  classNames: ['progress-bar'],
-  attributeBindings: ['style'],
+  classNames: 'progress-bar',
+  attributeBindings: 'style',
+
   style: function() {
     return 'width: ' + this.get('progress') + '%;';
   }.property('progress')

client/app/components/progress-spinner.js

@@ -34,7 +34,6 @@ export default Ember.Component.extend({
   zIndex: 2e9,          // The z-index (defaults to 2000000000)
   top: '50%',           // Top position relative to parent
   left: '50%',          // Left position relative to parent
-
   classNames: 'progress-spinner-container',
 
   didInsertElement: function() {

client/app/controllers/image-item.js

@@ -13,11 +13,7 @@ export default Ember.ObjectController.extend(Ember.FSM.Stateful, {
   sequence: function(key, value) {
     if (arguments.length === 1) {
       var createdAt = this.get('createdAt');
-      if (createdAt) {
-        return createdAt.valueOf();
-      } else {
-        return new Date().valueOf();
-      }
+      return createdAt ? createdAt.valueOf() : new Date().valueOf();
     } else {
       return value;
     }