Parse config and merge sample by id
Parse config and merge sample by id

We scrap the fastq filename parsing for read group ID and go for a config
instead. The config will map "subject sample fastq1 fastq2".

marcelm/CAW,marcelm/CAW,szilvajuhos/CAW,szilvajuhos/CAW,szilvajuhos/CAW,marcelm/CAW