RPG Interface: updated to remove FlxButtonPlus dependency in Flixel-UI
Merge branch 'master' of https://github.com/HaxeFlixel/flixel-demos
Project Jumper: Move all classes into the source directory
RPG Interface: Added "Default assets" test state, global includes file, removed unused fonts.
RPG Interface: Reflects class rename changes in latest flixel-ui update
RPG Interface: Added "Code Test" state that showcases creating widgets by hand.
RPG Interface: Update to showcase pop-up dialogs
RPG Interface: Skinnable pop-ups
RPG Interface: Updated to showcase outlines
RPG Interface: update to work with latest flixel-ui (replace str_id to id)