[9] Review request: JDK-8166661 Remove "-outfile" as compulsary when bundling modules in javapackager

[Chris Bensen]

Kevin,

Please review the following change to remove the required argument -outfile.

JIRA: https://bugs.openjdk.java.net/browse/JDK-8166661
Webrev: http://cr.openjdk.java.net/~cbensen/JDK-8166661/webrev.00/ 
<http://cr.openjdk.java.net/~cbensen/JDK-8166661/webrev.00/>

Chris