Merge pull request #38 from nczempin/test_pull_request

It's better to let the exception fall through than to catch and ignore it
added class Level
Level is read from file
changed MapHandler to LevelHandler
changed ChooseMap to ChooseLevel
Gameplay now has a Level instead of a map layout
game now uses Level
added more levels
now the added levels can be selected
moved level selection buttons
changed level selection button positions to be more dynamic
made placement of level selection buttons even better
cleanup
Merge branch 'feature/issue/#24' into develop
print version
Merge branch 'release/v0.2' into develop
added Version number to start menu
added wobbling(TM)
optimized wobble size
optimized wobbling