Merge all swarm_*.py scripts into swarming.py.

README.py

 #!/usr/bin/env python
 # coding=utf-8
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 ###
 # Run me to generate the documentation!
 ###
 
 # Line too long (NN/80)
 # pylint: disable=C0301
 
 """Test tracing and isolation infrastructure.
 
-Scripts are compartmentalized by their name:
-- isolate_*.py:       Executable isolation scripts. See:
-                      https://code.google.com/p/swarming/wiki/IsolateDesign
-                      https://code.google.com/p/swarming/wiki/IsolateUserGuide
-- isolateserver_*.py: Tools to interact with the CAD server.
-- run_*.py:           Tools to run tests.
-- swarm_*.py:         Swarm interaction scripts. See
-                      https://code.google.com/p/swarming/wiki/SwarmingDesign
-                      https://code.google.com/p/swarming/wiki/SwarmingUserGuide
-- trace_*.py:         Tracing infrastructure scripts. See
-                      https://code.google.com/p/swarming/wiki/TracingToolsDesign
-                      https://code.google.com/p/swarming/wiki/TracingToolsUserGuide
-- googletest/*.py:    Scripts specifically managing GTest executables. More
-                      information about googletest can be found at
-                      http://code.google.com/p/googletest/wiki/Primer
+See googletest/*.py for scripts specifically managing GTest executables. More
+information about googletest can be found at
+http://code.google.com/p/googletest/wiki/Primer
 
 A few scripts have strict dependency rules:
-- run_isolated.py and trace_inputs.py depends on no other script so they can be
-  run outside the checkout.
 - The pure tracing scripts (trace_*.py) do not know about isolate
   infrastructure.
-- Scripts without '_test_cases' suffix do not know about GTest.
-- Scripts without 'isolate_' prefix do not know about the isolation
-  infrastructure.
+- Scripts outside googletest/ do not know about GTest.
 """
 
 import os
 import sys
 
 
 def main():
   for i in sorted(os.listdir(os.path.dirname(os.path.abspath(__file__)))):
     if not i.endswith('.py') or i == 'PRESUBMIT.py':
       continue
     module = __import__(i[:-3])
     if hasattr(module, '__doc__'):
       print module.__name__
       print ''.join('  %s\n' % i for i in module.__doc__.splitlines())
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main())