fix one issue in EventEngine (shutdown flag was not reset)
additional annotation value
Merge pull request #23 from matthesrieke/master

fix one issue in EventEngine
apply better RuntimeException handling for USB driver. closes #25.
Merge pull request #15 from EHJ-52n/master

Update CONTRIBUTE.md
Merge pull request #26 from matthesrieke/master

apply better RuntimeException handling for USB driver. closes #25.
shutdown USB pipe gracefully. fixes #28.
Merge pull request #29 from matthesrieke/master

shutdown USB pipe gracefully. fixes #28.
remove timeout from properties. fixes a known bug
add event bus for game starting/ending
Merge pull request #31 from matthesrieke/master

introduce GameEventBus