Fix node 4 compatibilty

Author: Exelord

bower.json

@@ -1,6 +1,3 @@
 {
-  "name": "ember-custom-actions",
-  "dependencies": {
-    "blueimp-md5": "^2.7.0"
-  }
+  "name": "ember-custom-actions"
 }

ember-cli-build.js

@@ -1,10 +1,11 @@
+/* eslint no-var:0*/
 /* eslint-env node */
 const EmberAddon = require('ember-cli/lib/broccoli/ember-addon');
 
 module.exports = function(defaults) {
-  let config = defaults.project.config(EmberAddon.env());
+  var config = defaults.project.config(EmberAddon.env());
 
-  let app = new EmberAddon(defaults, {
+  var app = new EmberAddon(defaults, {
     sassOptions: {
       extension: 'sass'
     },

tests/dummy/config/environment.js

@@ -1,7 +1,8 @@
+/* eslint no-var: 0 */
 /* eslint-env node */
 
 module.exports = function(environment) {
-  let ENV = {
+  var ENV = {
     modulePrefix: 'dummy',
     environment,
     rootURL: '/',