Use bytecode version of caml2html (caml2html.byte) to build the
documentation, since some platforms may not support native code
(reported by Hendrik Tews)
Use default warnings instead of crazy '-w A' when compiling to bytecode
(reported by Hendrik Tews)
Copied manpage over from the Debian package (to do: install it as part
of the installation procedure).
It was written by Sylvain Le Gall <gildor@debian.org> and
Hendrik Tews <hendrik@askra.de>.