Update JUnit library.
Fixed Issue #167: `ListCell` should inherit from `IndexedCell`.
Merge remote-tracking branch 'origin/SFX-2'
Resolved issue #168: formatStringConverter wrapper is missing.
WIP #162 8u40 - Add support for TextFormatter

There are two demos illustrating use `TextFormatterDemo` and `TextFormatterWithChangeFilterDemo`.
Merge remote-tracking branch 'origin/SFX-2'
Merge remote-tracking branch 'origin/master' into SFX8u40
Use ScalaFX FormatStringConverter.