Move GardeningServer out of BuildSlaveSupport

Tools/GardeningServer/scripts/checkout_unittests.js

 /*
  * Copyright (C) 2011 Google 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 70 matching lines @@
              "another/test.svg": {
                  "WebKit Linux": ["png"], 
                  "WebKit Mac10.6": ["png","txt"]},
              "fast/test.html": {
                  "Webkit Win7": ["txt","png"]
              }})]
     ]);
 });
 
 })();