* macros: Ensure that py_req_cleanup is a multiline macro in impls
* Remove documentation-build error flag globally on prepare cleanup
* Add new %__openstack_set_env macro
* openstack-macros: Install .stestr.conf for -test packages
* Fix all Url fields for new spec-cleaner release
OBS-URL: https://build.opensuse.org/package/show/Cloud:OpenStack:Factory/openstack-macros?expand=0&rev=21