Merge pull request #2 from oObqpdOo/master

walking animation
rename walking animation

integer-only filenames resulted in compilation errors.
handle SubjectActions nicer

also adds some design TODOs
handle touch events on objects

to be able to change object states from the UI, this prepares the touch logic. as sson as the object-interface is implemented, we can call their methods. refactors the current room to a global, to access it from the onTouchEvent listener.
Update .gitignore

taken from https://github.com/github/gitignore/blob/master/Global/JetBrains.gitignore