Changed Google API URLs to use version 3 of the API (#67)

Author: shinlang

lib/google/urls.js

@@ -13,7 +13,7 @@ exports.publisherScope = 'https://www.googleapis.com/auth/androidpublisher';
 
 // Android Purchases URLs & generators
 exports.purchasesProductsGet = function (packageName, productId, receipt, accessToken) {
-	var urlFormat = 'https://www.googleapis.com/androidpublisher/v2/applications/%s/purchases/products/%s/tokens/%s?access_token=%s';
+	var urlFormat = 'https://www.googleapis.com/androidpublisher/v3/applications/%s/purchases/products/%s/tokens/%s?access_token=%s';
 
 	return util.format(
 		urlFormat,
@@ -27,7 +27,7 @@ exports.purchasesProductsGet = function (packageName, productId, receipt, access
 
 // Android Subscriptions URLs & generators
 exports.purchasesSubscriptionsGet = function (packageName, productId, receipt, accessToken) {
-	var urlFormat = 'https://www.googleapis.com/androidpublisher/v2/applications/%s/purchases/subscriptions/%s/tokens/%s?access_token=%s';
+	var urlFormat = 'https://www.googleapis.com/androidpublisher/v3/applications/%s/purchases/subscriptions/%s/tokens/%s?access_token=%s';
 
 	return util.format(
 		urlFormat,
@@ -41,7 +41,7 @@ exports.purchasesSubscriptionsGet = function (packageName, productId, receipt, a
 
 // Android Subscriptions URLs & generators
 exports.purchasesSubscriptionsCancel = function (packageName, productId, receipt, accessToken) {
-	var urlFormat = 'https://www.googleapis.com/androidpublisher/v2/applications/%s/purchases/subscriptions/%s/tokens/%s:cancel?access_token=%s';
+	var urlFormat = 'https://www.googleapis.com/androidpublisher/v3/applications/%s/purchases/subscriptions/%s/tokens/%s:cancel?access_token=%s';
 
 	return util.format(
 		urlFormat,