Updated openstack/openstack
Project: openstack/ceilometer  55fa27809997e3aeb866282f65f98b004575cb29
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Sync log from oslo

5fef5a8105 allow keeping of existing loggers with fileConfig
fb8075a19d Add amqp=WARN,qpid=WARN to default_log_levels
4654a5d247 Don't override default value for eventlet.wsgi.server logging
41ddd7a975 _get_log_file_path explictly return, when logfile/logdire unset
e12e6b45f8 Make openstack.common.log Python 3 compatible

DocImpact

Change-Id: I19228304dcef8a4f7e6022d97eb652da647df879