RFR docs 8240777: Update all nroff manpages for JDK 15 release

[David Holmes]

Hi Pavel,

This issue can't be closed out yet as we are only at ramp down phase 1. 
There are still documentation changes coming that will need the manpages 
to be updated again before JDK 15 is released.

David

On 11/06/2020 5:21 am, Pavel Rappo wrote:
> Hello,
> 
> Please review the change for https://bugs.openjdk.java.net/browse/JDK-8240777
> 
>    http://cr.openjdk.java.net/~prappo/8240777/webrev.00/
> 
> This is supposed to be similar to the previous iteration:
> 
>    https://mail.openjdk.java.net/pipermail/build-dev/2020-January/026578.html
> 
> The only difference is that the copyright years are more accurate as they are restored from the original man pages.
> 
> -Pavel
>