Ensure custom role option is propgated

- Fix broken database create under swift after rcbops-cookbooks/osops-utils#151
Merge pull request #152 from claco/fix-dbcreate-role

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Add global/default region attribute
Merge pull request #153 from invsblduck/issue593_region

Merged automatically by jenkins after successful build test
move 'region' attribute to osops-utils namespace
Merge pull request #154 from invsblduck/issue593_region

Merged automatically by jenkins after successful build test