bnc#836363 - applying xen proposal fails after moving away from kvm
bnc#836372 - can not switch compute nodes from xen to kvm
only require certificate files for controllers (bnc#851514)
add debug attribute to schema
Merge pull request #255 from jsuchome/release/roxy/master

applying xen proposal fails after moving away from kvm
Merge pull request #254 from mapleoin/debug-attr

add debug attribute to schema
Update schema json for schema-revision attribute
use "install_packages" function to install smoketest dependencies
smoketest: remove no longer used "fixed_ips" array
smoketest: try to avoid bash v4 features

SLES does only have a bash-3.2
Merge pull request #262 from dirkmueller/release/roxy/master

Update schema json for schema-revision attribute
Merge pull request #249 from rhafer/feature/roxy-smoketest-on-sles

Smoketests passes merging
Disable COW images for Xen

COW Images are based on QCOW2, which is not supported
by Xen (at least SUSE's version of it).
Merge pull request #264 from dirkmueller/release/roxy/master

Got +1 and was tested => merging.
Ceph support for Nova
 - Integration with new barclamp-ceph