Updated openstack/openstack
Project: openstack/ceilometer  a30beaacfa852399ad8fe56adc80e7f1b4c9fab4

Add missing explicit cfg option import

The test ceilometer.tests.event.test_endpoint.TestEventEndpoint cannot
be run standalone because of missing import.

This change fixes that.

Change-Id: I18083a0793204da5ef9b78573fa4a0483964e158