Assign attributes for rabbit/qpid image mq notification_topic

- Add default['openstack']['mq']['image']['notification_topic'] to
  messaging attributes.
- Add default['openstack']['mq']['image']['rabbit']['notification_topic'] to
  messaging attributes.
- Add default['openstack']['mq']['image']['qpid']['notification_topic'] to
  messaging attributes.

Change-Id: If410076d2d869831dfcb68c01e05c762f9d0b073
Partial-Bug: #1274879
fix getting the release name with lsb release

This is newly broken in SLES11SP3, so we have to parse the lsb_release
output manually. The code was copied from chef's lsb module.

Change-Id: I97cf1a4e4f937d6c2bea035cc09c8c61d05825d6
Assign attributes for rabbit/qpid image mq notification_topic

- Add default['openstack']['mq']['block-storage']['notification_topic'] to
  messaging attributes.
- Add default['openstack']['mq']['block-storage']['rabbit']['notification_topic']
  to messaging attributes.
- Add default['openstack']['mq']['block-storage']['qpid']['notification_topic']
  to messaging attributes.

Change-Id: I7f7262abeb09171ab2bcaee67b70928b2a37c2d0
Partial-Bug: #1276099
Merge "fix getting the release name with lsb release"
Merge "Assign attributes for rabbit/qpid image mq notification_topic"
Merge "Assign attributes for rabbit/qpid image mq notification_topic"