fixed bug with rupture and distance parameters definition
BaseGSIMTestCase now checks that required parameters as defined in tables match exactly parameters defined in GSIM object
removed unneeded vs30 column
removed vs30measured as required param in Campbell and Bozorgnia 2008 gmpe
Merge pull request #157 from monellid/fix-PezeshkEtAl2011

fixed bug with rupture and distance parameters definition