- Fix for the jfx thread closing if no scene is present.
- Added support for vertical mouse-wheel scrolling.
- Set jmonkey version to latest release instead of latest version.
- Remove unnecessary logging dependencies.
- Add optional String... argument to JavaFxUI.initialize to allow importing global css stylesheets.
- Replace System.out.println outputs to logging system
- Use singleton pattern. All methods are now called from .getInstance()