setup: if any of "build", "develop", or "test" appear in the sys.argv then that means...

setup: if any of "build", "develop", or "test" appear in the sys.argv then that means we'll be doing a develop, so add the workarounds for setuptools #17 in any case
I think there must be a much better solution for this -- probably to fix setuptools #17 and ship our own fork of setuptools and rely on it.