Add openstack::logging class for rsyslog and logrotate

Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>
Merge branch 'fix_rsyslog_develop_rebased'

Conflicts:
	deployment/puppet/openstack/manifests/logging.pp
	deployment/puppet/openstack/manifests/logrotate.pp

Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>