Fix custom syslog_log_level and facility for glance

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

Conflicts:
	deployment/puppet/glance/manifests/api.pp
	deployment/puppet/glance/manifests/registry.pp

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