Replace Buzz with Guzzle

Author: amacneil

phpunit.xml.dist

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit backupGlobals="false"
          backupStaticAttributes="false"
-         bootstrap="vendor/autoload.php"
+         bootstrap="tests/bootstrap.php"
          colors="true"
          convertErrorsToExceptions="true"
          convertNoticesToExceptions="true"

tests/bootstrap.php

@@ -0,0 +1,7 @@
+<?php
+
+error_reporting(E_ALL | E_STRICT);
+
+// include the composer autoloader and add our tests directory
+$autoloader = require __DIR__.'/../vendor/autoload.php';
+$autoloader->add('Omnipay', __DIR__);