Adding a few class loading related changes to make the ApiGenerator plugin happy

lib/Cake/Console/Command/Task/BakeTask.php

@@ -15,6 +15,8 @@
  * @since         CakePHP(tm) v 1.3
  * @license       MIT License (http://www.opensource.org/licenses/mit-license.php)
  */
+
+App::uses('Shell', 'Console');
 /**
  * Base class for Bake Tasks.
  *

lib/Cake/TestSuite/CakeTestRunner.php

@@ -15,7 +15,7 @@
  * @since         CakePHP(tm) v 2.0
  * @license       MIT License (http://www.opensource.org/licenses/mit-license.php)
  */
-require 'PHPUnit/TextUI/TestRunner.php';
+require_once 'PHPUnit/TextUI/TestRunner.php';
 
 PHP_CodeCoverage_Filter::getInstance()->addFileToBlacklist(__FILE__, 'DEFAULT');
 

lib/Cake/TestSuite/CakeTestSuiteCommand.php

@@ -17,7 +17,7 @@
  * @license       MIT License (http://www.opensource.org/licenses/mit-license.php)
  */
 
-require 'PHPUnit/TextUI/Command.php';
+require_once 'PHPUnit/TextUI/Command.php';
 
 App::uses('CakeTestRunner', 'TestSuite');
 App::uses('CakeTestLoader', 'TestSuite');