[stunnel-users] Moving binaries to /usr/bin

[Andrew Schulman]

> The Debian package of stunnel changed the default location of the
> binaries, from /usr/sbin to /usr/bin. This is because we consider that
> stunnel is not an admin only tool, but is useful to regular users (as
> it does not require root privileges for several common use cases).

I did the same in Cygwin (or maybe the previous packager did; anyway Cygwin
puts the main executable in /usr/bin), for the same reason.