Create pathTile.java

This is the Enumeration of the pathTile type for use in room construction. This can be extended as needed
Create room.java

This is an implementation of a floor collision path map generated from a *.png image. Currently it is designed as a room equaling an entire floor. I can re-write that concept if needed.
Update room.java
Update Characters.java
Merge pull request #2 from Vek17/master

I added the classes I used to import *.png images into the program