Removed random syntax errors

Removed the random syntax errors that were located in Tile.java and
Sentient.java.
Began refactoring the code to remove public fields.

Started to change fields to private and create getters and setters for
each.
Finished encapsulating fields in entity package

Finished the encapsulate field refactoring in the entities package.
Also make Food a concrete class rather than have it abstract and have a
blank concrete class inheriting from it.