Update update ScalaFX to 18.0.1-R28

Explicit dependency on JavaFX can be now removed

Update to "scalafx" to "17.0.1-R26"

Update ScalaFX to 16.0.0-R25

Tag version 16.0.0-R22

Use latest release version of ScalaFX.

Update SBT

Tag to match corresponding ScalaFX release.

Match tag to corresponding ScalaFX version.

Merge branch 'master' into SFX-8

IDEA and NetBeans can now directly use SBT projects.