[jhc] darcs patch: fix environment cleanups in regress test (and 2 more)

[John Meacham]

Thu Jul  8 03:34:50 PDT 2010  John Meacham <john at repetae.net>
  * fix environment cleanups in regress test

Thu Jul  8 14:26:50 PDT 2010  John Meacham <john at repetae.net>
  * remove unused and obsolete flags

Thu Jul  8 18:40:12 PDT 2010  John Meacham <john at repetae.net>
  * remove Query dependency for now
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