added wasd-controls
modified boxes
Added special level Layer.java and other stuff for story-telling purposes.
Merge pull request #1 from fabig/master

wasd-controls
Merge wasd controls
Merge branch 'master' of github.com:mixotroph/swp-2013
added texts
inventory works now, but not entirely as  expected :-)
Added story-telling system and help menue
no code optimization done yet
added some textures
steps,hp,ex added to creature