 removed the returnVal for Tophat
 removed the returnVal for Tophat

kbaseIncubator/KBaseRNASeq,kbaseIncubator/KBaseRNASeq,kbaseIncubator/KBaseRNASeq,kbase/KBaseRNASeq,kbase/KBaseRNASeq,kbase/KBaseRNASeq,kbase/KBaseRNASeq