added BEE2.5 tools
- antline magnet on room 2
- antline rooter
- Changed Glados Sentence

Add a check point if people die room 2 and destroy cube from room 1 after.
Add black panel on floor room 3 to avoid people run on end without lasers
Making room 3 harder and set difficulties from 2/5 to 2,5/5

added a check point from room 3 to room 1(door stay open if you get on room 3)
added black panel on room 3 to avoid to finish map wihtout using only beam
added 2 buttons on room 2 end, to force to get both player upside (and avoid to activate checkpoint alone)

added a "not" logic gate on laste laser to open door
added a "checkpoint" (moving panel + open door in room 2) if you find a way to die in room 3
added a 3/2 panel who comes from roof (with trigger) to avoid test subject to be blocked on wrong side from the bridge (room 2)