class Map:
-added constructor
-changed arguments of method move
class Unit:
-variable isHungry renamed as hungry
-type of hungry changed to boolean(from Boolean)
-added final-field Map
-changed arguments of method move

class Pacman:
-added final-field Map
-changed arguments of method move
-added field Direction
Merge pull request #4 from PaulHiriluk/abramovpav-new

abramovpav-fix-1