Merge branch 'master' into stable

Merge in openid and config examples

samples/configuration/multiple_config.js

@@ -0,0 +1,60 @@
+/* Copyright 2015 PayPal */
+"use strict";
+var paypal = require('../../');
+
+var first_config = {
+    'mode': 'sandbox',
+    'client_id': '<FIRST_CLIENT_ID>',
+    'client_secret': '<FIRST_CLIENT_SECRET>'
+};
+
+var second_config = {
+    'mode': 'sandbox',
+    'client_id': '<SECOND_CLIENT_ID>',
+    'client_secret': '<SECOND_CLIENT_SECRET>'
+};
+
+//This sets up client id and secret globally
+//to FIRST_CLIENT_ID and FIRST_CLIENT_SECRET
+paypal.configure(first_config);
+
+var create_payment_json = {
+    "intent": "authorize",
+    "payer": {
+        "payment_method": "paypal"
+    },
+    "redirect_urls": {
+        "return_url": "http://return.url",
+        "cancel_url": "http://cancel.url"
+    },
+    "transactions": [{
+        "item_list": {
+            "items": [{
+                "name": "item",
+                "sku": "item",
+                "price": "1.00",
+                "currency": "USD",
+                "quantity": 1
+            }]
+        },
+        "amount": {
+            "currency": "USD",
+            "total": "1.00"
+        },
+        "description": "This is the payment description."
+    }]
+};
+
+//Passing in the second_config here would override default settings
+//and use SECOND_CLIENT_ID and SECOND_CLIENT_SECRET for creating the payment
+//After buyer approves the payment via the HATEOS approval url, the second_config
+//would need to be passed in the payment.execute call as well, otherwise
+//a 404 with INVALID_RESOURCE_ID would get returned
+paypal.payment.create(create_payment_json, second_config, function (error, payment) {
+    if (error) {
+        throw error;
+    } else {
+        console.log("Create Payment Response");
+        console.log(payment);
+    }
+});