RFR 8137320: jjs should support @argfile to pass command line arguments from a file

[Attila Szegedi]

+1. Very handy that this can be implemented by enabling an existing feature!

> On Sep 29, 2015, at 6:35 PM, Sundararajan Athijegannathan <sundararajan.athijegannathan at oracle.com> wrote:
> 
> Please review http://cr.openjdk.java.net/~sundar/8137320/webrev.00/ for https://bugs.openjdk.java.net/browse/JDK-8137320
> 
> Thanks,
> -Sundar