FontAwesomeFX: 4.0.1 support

Refer for latest updates here. Hi, I just have updated FontAwesomeFX to support currently released FontAwesome 4.0.1 with all of it’s 369 Icons. Please note that some enum values have been changed, e.g. former AwesomeIcon.SIGNOUT is now AwesomeIcon.SIGN_OUT. Also I have added some convenience methods to the helper class: AwesomeDude.setIcon(TreeItem treeItem, AwesomeIcon icon) { AwesomeDude.setIcon(TreeItem…