[9] Review Request: 8164248 [packager] New Modular Arguments to be made public for Packager API

Kevin, Please review the change to make all the modular arguments part of the Java Packager public API. JIRA: https://bugs.openjdk.java.net/browse/JDK-8164248 Webrev: http://cr.openjdk.java.net/~cbensen/JDK-8164248/webrev.00/ Thanks, Chris

PLEASE READ: Using jcheck with FX repos + no more post-commit reviews

All OpenJFX Developers, As I think most of you know, we are (more slowly than I would like) moving towards enabling jcheck for FX repos. This work is tracked by JDK-8145561 [1]. As the next step along this path, I have created an OpenJFX "Using jcheck" [2] Wiki page with instructions for run