mavenify and refactor packages
Merge branch 'master' of https://github.com/Develman/javafx-ui-sandbox

Conflicts:
	javafx-dialogs/src/javafx/scene/control/dialogs.css
	javafx-dialogs/src/main/java/javafx/scene/control/dialogs.css
	javafx-dialogs/src/main/resources/javafx/scene/control/dialogs.css
	javafx-dialogs/src/main/test/javafx/scene/control/DialogsTest.java
	javafx-dialogs/src/test/java/javafx/scene/control/DialogsTest.java
	javafx-dialogs/test/javafx/scene/control/DialogsTest.java