updated validator to omit _normals.txt files
updated validator to omit _normals.txt files

angelicaochoa/cbioportal,cBioPortal/cbioportal,angelicaochoa/cbioportal,zhx828/cbioportal,sheridancbio/cbioportal,n1zea144/cbioportal,onursumer/cbioportal,n1zea144/cbioportal,onursumer/cbioportal,angelicaochoa/cbioportal,cBioPortal/cbioportal,onursumer/cbioportal,zhx828/cbioportal,zhx828/cbioportal,sheridancbio/cbioportal,onursumer/cbioportal,onursumer/cbioportal,n1zea144/cbioportal,sheridancbio/cbioportal,angelicaochoa/cbioportal,n1zea144/cbioportal,zhx828/cbioportal,sheridancbio/cbioportal,cBioPortal/cbioportal,cBioPortal/cbioportal,angelicaochoa/cbioportal,onursumer/cbioportal,zhx828/cbioportal,angelicaochoa/cbioportal,sheridancbio/cbioportal,n1zea144/cbioportal,cBioPortal/cbioportal,zhx828/cbioportal,angelicaochoa/cbioportal,zhx828/cbioportal,n1zea144/cbioportal,n1zea144/cbioportal,sheridancbio/cbioportal,cBioPortal/cbioportal