[Openswan dev] First pass README update

[Thomas Geulig]

On Thursday 14 October 2010 12:37:48 David McCullough wrote:
> None of the systems we build have perl or python,  they have all the usual
> shell tools though.
>
> Would a /bin/sh version of the above be acceptable to all ?

As I said, shell scripts are ok. Even that can be a problem.

I use busybox ash (maybe hush sometime), so avoiding bashisms
is a bonus.

Thomas