Port Mac Application features to non-Mac

[Adam Winer]

Now that Scythebill is on Java 9, we can port much of the Application code for Macs into the Windows/Linux codebase.

[Adam Winer]

Sigh… none of those features are available at all on Windows:

http://hg.openjdk.java.net/jdk/jdk13/file/ec3103bb9f6c/src/java.desktop/windows/classes/sun/awt/windows/WDesktopPeer.java

… and Linux is even worse.