Support other refseqs

[jasonwalker80]

Make the necessary changes to docker-cle and genome/arvados_trial to allow for other reference sequences. Known issues:

docker-cle/write_pindel_filter_config.pl

Line 20 in 0d44194

say $config_fh "referencename=GRCh38DH"; #FIXME should match reference

https://github.com/genome/arvados_trial/blob/85d0f6d8463637e454535d3b48f3e1a518b93b68/pindel/somaticfilter.cwl#L24