environment settings for Ceph in CentOS and Ubuntu
Support for Ceph journal devices
Update Ceph OSD disk label
Remove non-boot raid allocations from service partition calculations
flake8: fix imports order
add missing ceph-osd role to Ubuntu release; use cephjournal volume label
pushy-0.5.3 for ceph-deploy-1.2.3
fixes after Andrey's review
dash removed
Merge pull request #1508 from Mirantis/ceph-stage-3

Ceph stage 3: OSD journal, storage backend settings