- Avoid circular `use Config', which may lead to random synax errors

- Avoid circular `use Config', which may lead to random synax errors
  produced by miniperl during buildworld phase.

- While at it, do loading of SelfLoader only when it is needed, and in
  place where it is needed.

Submitted by:	tobez@tobez.org (who is doing way too much good work
			and is in need of the Commit Bit punishment)