Removed JES cruft and updated .gitignore
Fixed typos and moved screenshot to subdir
Closing issue #13 (allow traveling n/s/e/w), other fixes

* Replaced L10.py with an unmodified copy.
* moved one errant screenshot into proper subdirectory
Revert "Closing issue #13 (allow traveling n/s/e/w), other fixes"

This reverts commit d838fbe2f1e157536947d365fd6b5fa2776423e2.
Merge pull request #15 from ernstki/dev

Pull in changes from @ernstki's 'dev' branch, closing #13