Squashed 'chef/cookbooks/openstack-database_service/' content from commit 2400e0d

git-subtree-dir: chef/cookbooks/openstack-database_service
git-subtree-split: 2400e0d8005e6ec5419b67f420a6b2a073fdbe88
Merge commit 'e6b3a91ede6982d0b66c3be65550e3b8e0c0f0df' as 'chef/cookbooks/openstack-database_service'
fix barclamp metadata and attributes
bump cookbook version to 9.0.0 to follow stackforge convention