VisUI 1.2.3 features

[czyzby]

• [x] ScrollableTextArea.
• [x] HighlightTextArea, Highlighter.
• [x] MultiSplitPane
• [x] BusyBar

Additionally to new widgets:

• [x] FileChooser#setSorting(FileSorting) and #setSortingOrderAscending
• [x] FileChooser.setSaveLastDirectory
• [x] FileChooser.focusFileScrollPaneOnShow
• Spinner#setTextFieldEventPolicy (Broken in VisUI 1.2.3, TextFieldEventPolicy enum is private.)
• [x] MenuBar#setMenuListener

See changes.

[kotcrab]

• FileChooser#setSorting(FileSorting) and #setSortingOrderAscending
• FileChooser.setSaveLastDirectory (static)
• Spinner#setTextFieldEventPolicy

Widgets:

• MultiSplitPane
• BusyBar

There wasn't much new stuff added, most changes are just fixes and improvements to existing widgets.

[czyzby]

• FileChooser.focusFileScrollPaneOnShow
• Spinner#setTextFieldEventPolicy
• MenuBar#setMenuListener

[czyzby]

Implemented in 1.8 branch.