Changes to Settings + More Options in Menu Bar, Over-engineered Popup Manager to handle multi-component JPopupMenus, Started testing actual use: Download Conundrum (How to take it off of the EDT), Fix the Download Conundrum and then on to physical extraction.

Library Addition:
JUnique (3rd Party Maven Repository) -- Small Library to Handle Preventing Multiple Application Instances

Signed-off-by: Matthew Crocco <matthewcrocco@gmail.com>