patch applied (cabal): Add instance Text TestShowDetails parsing and use it for --show-details flag

[Duncan Coutts]

Sat Oct 16 08:30:15 PDT 2010  Duncan Coutts <duncan at haskell.org>
  * Add instance Text TestShowDetails parsing and use it for --show-details flag
  Rather than Read/Show

    M ./Distribution/Simple/Setup.hs -25 +28

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=cabal;a=darcs_commitdiff;h=20101016153015-adfee-638043b6f3e965699dca26b68457bd562cab2acb.gz