RFR 8191438: jarsigner should print when a timestamp will expire

[Weijun Wang]

Updated again at http://cr.openjdk.java.net/~weijun/8191438/webrev.05/.

--Max

> On Jan 4, 2018, at 8:48 AM, Weijun Wang <weijun.wang at oracle.com> wrote:
> 
> Please take a review at
> 
>  http://cr.openjdk.java.net/~weijun/8191438/webrev.04/
> 
> Major changes:
> 
> 1. Warnings on TSA cert chain: expired or expiring
> 
> 2. No more check on trusted certs
> 
> 3. More output at signing when -verbose is on
> 
> 4. Fine tune messages when TSA cert expires earlier than signer cert
> 
> 5. New test cases
> 
> 6. Existing tests modification so signer is not trusted
> 
> Thanks
> Max
>