Sync common code from oslo-incubator. The main reason for it is removal
of usage 'log' module from incubator in manila codebase. Because we already
use another 'log' from library 'oslo_log'.
Head of oslo-incubator code that was used for 'sync' operation was at
following commit:
commit f5646edc61b9653d7ff71ed0177ed77811bbdcd0
Author: Elena Ezhova <eezhova@mirantis.com>
Date: Tue Apr 7 17:46:16 2015 +0300
Additional changes:
- Added explicit registration of 'oslo_log.log' options to all manila scripts
- Module 'manila.openstack.common.log' removed as unused
Change-Id: I5b98d3863329227531fdb94ad7dbf5b3e5c51141
Thomas Bechtold