Update Log - Chapter 8

• 03/04/13
• Updated slack to be positive (#35)
• 12/06/11
• Changed the title slide (#1)
• Added example for the zero-slack algorithm (#20-26)
• 11/22/11
• Changed communicative to commutative (#50)
• 11/18/11
• Added title slide (#1)
• Changed max to min in RAT calculation (#14)