moved modules of raaz-config to raaz-primitives
got rid of the raaz-config package
Revert "disabled auto-configure flag for raaz-primitives"

This reverts commit 4b72e144288888a42065a7731d2993183ddd9c51.
Revert "moved autoconfig code out of Setup.lhs"

This reverts commit 88f3fcd358a6b02591a0a4e73d4076a46c76a2d3.