initial
Merge branch 'master' of github.com:sscheffler/scala.sandbox

Conflicts:
	build.sbt
simple HelloWorld Application
dependency for tests
added method, that can be tested
added unit test
added swing dependency
changed from swing to javaFx
hello world java fx application
changed SimpleHelloWorld to object(singleton) ->
fixed unit test as well
example of Traits(interface like implementation) + Unit Tests