patch applied (packages/parallel): move conc057 and conc068 here from testsuite

[Simon Marlow]

Tue Sep  4 04:25:06 PDT 2007  Simon Marlow <simonmar at microsoft.com>
  * move conc057 and conc068 here from testsuite

    M ./tests/Makefile +9
    M ./tests/all.T -2 +7
    A ./tests/conc057.hs
    A ./tests/conc057.stdout
    A ./tests/conc068.hs
    A ./tests/conc068.stdout