added ProofGeneral-4.1 as standard component, which allows to discontinue special choosefrom magic eventually;
#contributed components
contrib/cvc3-2.2
contrib/e-1.5
contrib/hol-light-bundle-0.5-126
contrib/kodkodi-1.2.16
contrib/spass-3.8ds
contrib/scala-2.9.2
contrib/vampire-1.0
contrib/yices-1.0.28
contrib/z3-3.2
contrib/jedit_build-20120414
contrib/ProofGeneral-4.1