Created the... MAP OBJECT!

Map object is now called in Game1's update and draw methods
Loads map.dat files!
it contains a matrix full of GameObjects! (for now they're just walls,
empty space between them is a null in the matrix)
Contains a list (not a Queue anymore) of movables like enemies.
We can now run many many walls and enemies, by loading from a map file!
no more hard-coding!
Map now has a Point called playerSpawn! Player will be spawned there.
Added method to Player to move to a point parameter
Changed enemy constructors, and added variables for x and y spawn
coordinates, now multiple enemies can spawn and reset to different
locations!