handle git dependency
venv is should not be set only in case of PFS
venv is should not be set only in case of PFS #2
only active git proposal is suitable for PFS deployment
Merging mesa-1.6.1 fix into roxy:

De-spaghettify some of the code in voume.rb by splitting it into
smaller functions.
Merge pull request #95 from cdearborn/pull-req-release-roxy-master-5d2f18cdd97370f8af544e424e6fef9fd0f2f38c

https://github.com/crowbar/barclamp-cinder/pull/95

Merged by devtool for ArkadyKanevsky
handle git dependency even in case when PFS is false cause when proposal being created the default value is false
Merge pull request #92 from MirantisDellCrowbar/feature/pfs-ui/roxy/master

https://github.com/crowbar/barclamp-cinder/pull/92

Merged by devtool for ArkadyKanevsky