Del openstack *-all.log file resources, fix 0644

*-all.log files would be provided by rsyslog with 0600/root.adm
Defaults for access rights should be changed 0644->0640 as well

Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>
Fix group for quantum logging.conf

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