mitchellh/packer — pull request #382 by justinsb (2013-09-02 17:38:24+00:00)
Title: Allow project to be specified for openstack

For some OpenStack providers, the project must be specified to get a non-empty service catalog.

I think that (according to the spec) the project is actually required, but some implementations don't require it (e.g. Rackspace Cloud)