Fix the resources load issue
Fix the resources load issue

The resources cannot be loaded correctly if the command
is not issued at the top level of the package.

Bug report: https://bugs.launchpad.net/ospurge/+bug/1693409

Change-Id: I14dd2b62b1c30de8aee451b851af02577ad61957

stackforge/ospurge,openstack/ospurge,openstack/ospurge