RFR: 8152704: jlink command line output/help message improvement

[Mandy Chung]

> On Mar 29, 2016, at 2:25 PM, Naoto Sato <naoto.sato at oracle.com> wrote:
> 
> Hello,
> 
> Please review the changes for the following issue:
> 
> https://bugs.openjdk.java.net/browse/JDK-8152704
> 
> The suggested change is located at:
> 
> http://cr.openjdk.java.net/~naoto/8152704/webrev.01/

Looks okay.  Does this show the usage message?  JlinkTask::run catches PluginException and print “main.usage.summary”. It’d be more appropriate to show the plugin usage message instead that should be addressed by JDK-8152800.

Mandy