[openstack-nova/el6] (7 commits) ...Merge branch 'f16' into el6

[Russell Bryant]

Summary of changes:

  bd0df20... support --force_dhcp_release (#788485) (*)
  3b7aa16... escape % characters in the changelog (*)
  e4626c8... depend on bridge-utils (*)
  7b47874... Avoid killing dnsmasq on network service shutdown (#805947) (*)
  7d800bf... Updated patches from f16-patches
  5ad0d7b... Update to 2011.3.1-7
  10cc91b... Merge branch 'f16' into el6

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