Merge pull request #56 from IagoLast/master

Added Yed files.
Fixed identation bugs.
Added reference to director in enemy and enemy controller.
Created loop: die -> message -> main menu.
Added AI raytracing.
Added bosses, minions and logic to level 1 and level 4. Fixed _init_ in Enemy and Player.
Merged my changes with Martina's.
Mask was missing, fixed that.
Merge pull request #58 from martinaLopez/master

Added bosses, minions and logic to level 1 and level 4. Fixed _init_ in Enemy and Player.
Now you go to the next level when you kill the boss. You still can
transit with ENTER, for debugging comfort.
Merge pull request #60 from dgalaktionov/master

The game is complete now