Install: cloudbiolinux tool install without fabric
Install: cloudbiolinux tool install without fabric

Step 1 towards dropping fabric requirement: provide tool installation
with new cloudbiolinux target not needing fabric. Move towards
migration to python 3.

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