Merge pull request #44 from matthesrieke/master

some ServiceLoader stuff; basic Highscore view
change to TinySound api
include tinysound maven artifact
change to tinysound
include appender for log file. closes #45
adjust rolling file name
Merge pull request #49 from matthesrieke/feature-logfile

Feature logfile
introduce soundsequence. let at least one sound of a seq play.
Merge pull request #50 from matthesrieke/feature-tinysound

Feature tinysound