UMIs: convert directory into name tagged fastqs
UMIs: convert directory into name tagged fastqs

Generalized single file conversion to parallelize over a directory
of fastqs.

Generalize fastq conversion script to handle full directories.

chapmanb/bcbio-nextgen,biocyberman/bcbio-nextgen,vladsaveliev/bcbio-nextgen,lbeltrame/bcbio-nextgen,lbeltrame/bcbio-nextgen,brainstorm/bcbio-nextgen,chapmanb/bcbio-nextgen,biocyberman/bcbio-nextgen,brainstorm/bcbio-nextgen,a113n/bcbio-nextgen,vladsaveliev/bcbio-nextgen,biocyberman/bcbio-nextgen,a113n/bcbio-nextgen,lbeltrame/bcbio-nextgen,vladsaveliev/bcbio-nextgen,chapmanb/bcbio-nextgen,brainstorm/bcbio-nextgen,a113n/bcbio-nextgen