Support node.js 4 (no destructuring). Fixes #39.

Author: btecu

README.md

@@ -5,7 +5,7 @@ It uses [bootstrap-datetimepicker](https://github.com/Eonasdan/bootstrap-datetim
 
 
 ## Requirements
-* Node.js 6 or newer
+* Node.js 4 or newer
 * Bootstrap 3
 * Ember >= 2
 * Ember CLI

config/environment.js

@@ -3,7 +3,7 @@
 
 module.exports = function(environment, appSettings) {
   let moment = appSettings.moment || {};
-  let { includeLocales = false } = moment;
+  let includeLocales = moment.includeLocales || false;
 
   return {
     moment: {

package.json

@@ -57,7 +57,7 @@
     "moment-timezone": "^0.5.13"
   },
   "engines": {
-    "node": ">= 6"
+    "node": ">= 4"
   },
   "ember-addon": {
     "after": [