jpkg enhancements to create signed modules

[Dalibor Topic]

Vincent Ryan wrote:
> Hello,
> 
> Please review these code changes to support the creation of signed modules:
> 
>   http://cr.openjdk.java.net/~vinnie/6951048/webrev.00/webrev/
> 

Nice! Thank you for the cleanups, too.

I've only got one small nit, in ModuleFileFormat.java:
SECTION_HEADER_LENGTH  - doesn't seem to be used anywhere.

cheers,
dalibor topic
-- 
*******************************************************************
Dalibor Topic                   Tel: (+49 40) 23 646 738
Java F/OSS Ambassador           AIM: robiladonaim
Sun Microsystems GmbH           Mobile: (+49 177) 2664 192
Nagelsweg 55                    http://openjdk.java.net
D-20097 Hamburg                 mailto:Dalibor.Topic at sun.com
Sitz der Gesellschaft: Sonnenallee 1, D-85551 Kirchheim-Heimstetten
Amtsgericht München: HRB 161028
Geschäftsführer: Jürgen Kunz