Use openstack::logging to replace nailgun::rsyslog

See FUEL-745, https://mirantis.jira.com/wiki/display/FUEL/Rsyslog+research

Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>
Merge pull request #392 from bogdando/feat_logging_server

Use openstack::logging to replace nailgun::rsyslog