removed forEach from service and users.

Author: ChrisAlvares

adwords/service.js

@@ -31,10 +31,9 @@ class AdwordsService {
      * @param methods {array} an array of string method names
      */
     registerServiceDescriptorMethods(methods) {
-        for (var index in methods) {
-            var method = methods[index];
+        _.each(methods, (method) => {
             this[method] = this.callServiceMethod(method);
-        }
+        });
     }
 
     /**

adwords/user.js

@@ -60,11 +60,11 @@ class AdwordsUser {
      */
     populateServiceDescriptor(serviceDescriptor, adwordsVersion) {
         var finalServiceDescriptor = _.clone(serviceDescriptor);
-        for (var index in finalServiceDescriptor) {
-            if ('string' === typeof finalServiceDescriptor[index]) {
-                finalServiceDescriptor[index] = finalServiceDescriptor[index].replace(/\{\{version\}\}/g, adwordsVersion);
+        _.each(finalServiceDescriptor, (value, index) => {
+            if ('string' === typeof value) {
+                finalServiceDescriptor[index] = value.replace(/\{\{version\}\}/g, adwordsVersion);
             }
-        }
+        })
         return finalServiceDescriptor;
     }