RFR 8004547: Extend JavaFX launcher support...

[David DeHaven]

Request for review for extending the launcher support to allow the JavaFX runtime to fully support all of it's launch features, including preloaders, classpath, etc..

Webrev:
http://cr.openjdk.java.net/~ddehaven/8004547/webrev.1/

Corresponding JavaFX JIRA issue that these changes depend on:
http://javafx-jira.kenai.com/browse/RT-26751


This should be the final step in adding launcher support for JavaFX applications. These changes should allow any future changes to be done entirely in the JavaFX runtime. The changes for RT-26751 are in this weeks promotion of JavaFX, so should be available in next weeks JRE build (I think.. I'm never sure about promotion timing..).

-DrD-