Added 'fab clean' command.

Author: Waylan Limberg

fabfile.py

@@ -21,6 +21,10 @@ def _get_versions():
  return vs
 confirmed_versions = _get_versions()
 
+def clean():
+ """ Clean up dir. """
+ local('git clean -dfx')
+
 def list_versions():
  """ List all supported versions of Python. """
  print('Supported Python versions available on this system:')