Releasing 2.1.5 or 2.1.6

[A.L.M.Buxey at lboro.ac.uk]

Hi,
> I noticed this version mismatch too: radiusd -v returns 2.1.5 when built 
> from the 2.1.4 tarball.

thats exactly what John was talking about

I'd expect the next version to be 2.1.6 with 2.1.5 marked
in changelog as a short-term interim release.

alan