-small graphic improvement for the laser attack of phase 2

Last update changing boss behavior:

-changed a little the laser attack from phase 2 to be a little easier to avoid

-Added the missing laser attack for phase 2
-minor graphic improvement

changed a little the code to avoid problems with coop

-added a phase two
-reduced the hp of the first phase from 750 to 555

added an hidden mechanic for players that are cheating on one of the attacks of the boss

a small change to not make rotten devil spawn extra entities

small bugfix