Add sublevels.
Remove sliding terrain from world 1-1.
Define boss through JSON.
Prevent tunneling.
Rename layers in sea- and winter-levels.
Add new tiles for winter-levels.
Adjust tilemap-configuration so they also work on different levels in
the same setting.
Simplify the configuration of animations, add fish-boss.
Goodies reappear (still on wrong position)
goodies kommen wieder
move worms
delete old configuration
Merge pull request #16 from mayermi/reappearingGoodies

Make goodies reappear after their effects wear off.