Revert "rebaseline_server: download actual-results.json files from GCS instead of SVN"

tools/test_all.py

-#!/usr/bin/python
-
-"""
-Copyright 2014 Google Inc.
-
-Use of this source code is governed by a BSD-style license that can be
-found in the LICENSE file.
-
-Run all unittests within this directory tree, recursing into subdirectories.
-"""
-
-import os
-import unittest
-
-from tests import skimage_self_test
-
-
-def main():
-  # First, run any tests that cannot be automatically discovered (because
-  # they don't use Python's unittest framework).
-  skimage_self_test.main()
-
-  # Now discover/run all tests that use Python's unittest framework.
-  suite = unittest.TestLoader().discover(os.path.dirname(__file__),
-                                         pattern='*_test.py')
-  results = unittest.TextTestRunner(verbosity=2).run(suite)
-  print repr(results)
-  if not results.wasSuccessful():
-    raise Exception('failed one or more unittests')
-
-if __name__ == '__main__':
-  main()