Fix bug for talking to a moving NPC
Proof of concept for #37

- Disabled chickens due to audio bug
- Got content to actually load...
Refactoring for #37: maps have sizes/tiles.
Fix broken tests, and refactoring

- Game has a `showMap` function
- Added dependencies to test setup
Part of #37: move all data into the map
Part of #37: minor fixes
Merge branch 'master' of https://github.com/deengames/a-day-and-a-night