RFR: JDK-8230651: Use version string from main module

[Andy Herrick]

Looks good.

/Andy

On 9/20/2019 5:54 PM, Alexander Matveev wrote:
> Please review the jpackage fix for bug [1] at [2].
>
> This is a fix for the JDK-8200758-branch branch of the open sandbox 
> repository (jpackage).
>
> - Version from main module (if exist) will be used as --app-version if 
> --app-version is not specified.
>
> [1] https://bugs.openjdk.java.net/browse/JDK-8230651
>
> [2] http://cr.openjdk.java.net/~almatvee/8230651/webrev.01/
>
> Thanks,
> Alexander