The apostrophes in the config options are preserved now.

The previous solution discarded them during default-config generation.
They has been preserved in generation of include files from
config.omk. The right processing could be disputed, but actual
solution is more consolidated and is natural result of default-config
generation correction.

darcs-hash:20070916162232-ff715-2e36d6dcf0fb33c72716e121f31c4212dbf20e8e.gz