Move GardeningServer out of BuildSlaveSupport

Tools/GardeningServer/scripts/Builder_unittests.js

 /*
  * Copyright (C) 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 249 matching lines @@
         ],
     };
 
     runGetNumberOfFailingTestsTest(jsonData, function(failureCount, tooManyFailures) {
         equal(failureCount, 20);
         equal(tooManyFailures, true);
     });
 });
 
 })();