[m-rev.] for review: bump the minimum version of Java required

[Peter Wang]

On Tue, 11 Oct 2016 10:04:00 +1100 (AEDT), Julien Fischer <jfischer at opturion.com> wrote:
> 
> I forgot to update the configure test in my last diff, revised one
> follows:
> 
> --------------------------
> 
> Bump the minimum version of Java required.
> 
> NEWS:
> README.Java:
>      Required at least Java SE 6 or equivalent.
> 
> m4/mercury.m4:
>      Check for at least the above version of Java.
> 

Looks fine.

Peter