move oauth2 to vendor

vendor/bshaffer/oauth2-server-php/test/cleanup.php

@@ -0,0 +1,15 @@
+<?php
+
+require_once(dirname(__FILE__).'/../src/OAuth2/Autoloader.php');
+OAuth2\Autoloader::register();
+
+// register test classes
+OAuth2\Autoloader::register(dirname(__FILE__).'/lib');
+
+// register vendors if possible
+if (file_exists(__DIR__.'/../vendor/autoload.php')) {
+    require_once(__DIR__.'/../vendor/autoload.php');
+}
+
+// remove the dynamoDB database that was created for this build
+OAuth2\Storage\Bootstrap::getInstance()->cleanupTravisDynamoDb();