jmod enhancements to support signed modules

[Vincent Ryan]

Thanks for the review. I'll move the signed tests out of jmod-basic.sh
and I'll prepare a Java program to generate the keystore file.

On 04/06/2010 20:05, mark.reinhold at oracle.com wrote:
>> Date: Fri, 04 Jun 2010 14:47:01 +0100
>> From: vincent.x.ryan at oracle.com
>
>> http://cr.openjdk.java.net/~vinnie/6957907/webrev.01/
>
> These changes look good.  Just a couple of comments on jmod-basic.sh:
>
>    It'd be better to put the signed-module tests in a separate file, so
>    that the "basic" tests remain basic.
>
>    Can you create keystore.jks in the test script?  That'd be preferable
>    to checking in a binary file.
>
> Dalibor -- Could you please review this also?  There are some nontrivial
> changes to the packaging code.
>
> - Mark