Update MPI-MR parameter defaults
Update MPI-MR parameter defaults

mpg-age-bioinformatics/rnaseq-tools,mpg-age-bioinformatics/rnaseq-tools,mpg-age-bioinformatics/htseq-tools,mpg-age-bioinformatics/rnaseq-tools,mpg-age-bioinformatics/htseq-tools,mpg-age-bioinformatics/htseq-tools