scalafx/scalafx — pull request #151 by vigoo (2014-08-11 16:56:59+00:00)
Title: Ability to show directory and file chooser without an owner window

Variants of `showDialog` without requiring an owner window. The original wrappers cannot be used like this because of

```
java.lang.NullPointerException
at scalafx.stage.Window$.sfxWindow2jfx(Window.scala:41)
```