[Jake Review]: [packager] Module Path Packager Arguments

[Chris Bensen]

Kevin,

Please review. This adds new argument to Java Packager and cleans a lot of things up. My Packager sandbox will be in sync except for refactoring changes.

https://bugs.openjdk.java.net/browse/JDK-8150991 <https://bugs.openjdk.java.net/browse/JDK-8150991>http://cr.openjdk.java.net/~cbensen/JDK-8150991/webrev.01 <http://cr.openjdk.java.net/~cbensen/JDK-8150991/webrev.01>

Chris