incorporate dos2unix into samples fillout workflow (resurrection workflow)

[stevekm]

Need to get dos2unix included in here to deal with some issues with vcf2maf

pluto-cwl/cwl/samples_fillout_workflow.cwl

Line 72 in 3365f10

# NOTE: might need dos2unix for some that give errors ERROR: Your MAF uses CR line breaks, which we can't support. Please use LF or CRLF.

[stevekm]

Note that this is needed because some of the split DMP maf files seem to have carriage returns embedded in some cases