Peter Scheibel 60f7756626 Executable.__call__ original semantics were to avoid redirecting process output ... to the output stream if return_output was set. This branch undid that and this commit restores those semantics.		2015-11-25 12:28:43 -08:00
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spack	Executable.__call__ original semantics were to avoid redirecting process output	2015-11-25 12:28:43 -08:00