Merge "Synced log module and its dependencies from olso-incubator"

diff --cc openstack-common.conf
index ebd73ccde63d4265b5cb2339e3a143e7be2701bc,7391c913fb773ce41824826a558c914be4ffef83..d15422adc400ce7dab4efed7affc067cac812236
--- 1/openstack-common.conf
--- 2/openstack-common.conf
+++ b/openstack-common.conf
@@@ -15,14 -15,8 +15,13 @@@ module=jsonutil
  module=local
  module=lockutils
  module=log
- module=log_handler
  module=loopingcall
 -module=middleware
 +module=middleware.base
 +module=middleware.catch_errors
 +module=middleware.correlation_id
 +module=middleware.debug
 +module=middleware.request_id
 +module=middleware.sizelimit
  module=network_utils
  module=periodic_task
  module=policy