Eventlet service fixed
Eventlet service fixed

eventlet_service is designed to test ProcessLauncher in pair with
eventlet server. As long as ProcessLauncher uses cfg.CONF.config_file
option we need to register it. This option can be register with
cfg.CONF() call.

Change-Id: I8c3a557f66d8f1db8733d04dd7793425188ee29c

poznyakandrey/oslo.service,openstack/oslo.service,citrix-openstack-build/oslo.service