Added VampCommunication.ML.
Changed small set of Spass rules to Ordered version.
Fixed printing out of resolution proofs if parsing/translation fails.
By chapter:
chapters 1 and 2, maybe 3: Peter White
chapters 6, 7 and 8: David von Oheim
chapter 6, maybe 8: Gerwin Klein
chapters 3, maybe 4: Tanja Vos
chapters 1-3 at least: Stefano Bistarelli