Use the Makefile to compile and run the configure script

It seems that ocamlscript fails to find topfind when using
a system compiler. It seems to work when using an opam compiler.

Signed-off-by: David Scott <dave.scott@eu.citrix.com>
Lwt has sneaked into the Gnt interface

We may wish to sneak it out again.

Signed-off-by: David Scott <dave.scott@eu.citrix.com>
Regenerate OASIS

Signed-off-by: David Scott <dave.scott@eu.citrix.com>