[openstack-nova/el6] (5 commits) ...Merge branch 'master' into el6

[Pádraig Brady]

Summary of changes:

  9a96a05... Update to 2011.3.1 final (*)
  790dcfc... openstack-nova-db-setup: enable mysqld startup at boot (*)
  4719801... openstack-nova-db-setup: allow a NUL mysql password (*)
  e46351f... Update spec changelog as per recent commits (*)
  61f92b6... Merge branch 'master' into el6

(*) This commit already existed in another branch; no separate mail sent