hg: macosx-port/macosx-port/jdk: Cleaning up JNF usage, finishing AWTWindow conversion to properties, blocks, and JNF usage.

[Henri Gomez]

> My build directory is cleaned each time.
> I'll double check

Only the packaging build dir was cleaned.
Stronger cleanup now in use, and build is running.

I'll see in some minutes if it works
>