Reduce the diff against the latest release. Also remove netbsd-import.sh,
since we are upstream now.

Add a note about FreeBSD.

Update, after ten years. Importantly, add a "History" section, to explain
what's going on.

We have now become "upstream", and most of the ipsec-tools development is
done in NetBSD's CVS. However, ma

Update, after ten years. Importantly, add a "History" section, to explain
what's going on.

We have now become "upstream", and most of the ipsec-tools development is
done in NetBSD's CVS. However, many distributions still take their
tarballs from SourceForge (which is defunct, and not maintained).

show more ...

Update README

Import ipsec-tools 0.6.1

Import ipsec-tools (tag ipsec-tools-0_6-base in ipsec-tools CVS)
ipsec-tools is a fork from KAME racoon/libipsec/setkey, with many
enhancements.