Use log_local to control local logging for openstack as well

Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>
Add date prefixes to rotated archives

Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>
Use tcp for rsyslog, debug ON, limitsize 50M globally

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