Fix releastestatus dependency

A run on a new server produces:

err: /Stage[main]/Openstack_project::Static/Releasestatus::Site[releasestatus]/File[/srv/static/release]: Failed to generate additional resources using 'eval_generate: undefined method `relative_path' for nil:NilClass
err: /Stage[main]/Openstack_project::Static/Releasestatus::Site[releasestatus]/File[/srv/static/release]: Could not evaluate: Could not retrieve information from environment production source(s) file:/var/lib/releasestatus/releasestatus/static at /opt/config/production/modules/releasestatus/manifests/site.pp:36

Change-Id: Iff895f56cf676f13f9b55f564d907c285dd49f6e
Merge "Fix releastestatus dependency"