* libvirt-bin.postinst: also put admin group members into the libvirtd group, to support systems installed before precise. (LP: #1124127) * libvirt-bin.postinst: use getent group instead of grep /etc/group * rules: pass path to collie to enable sheepdog backend (LP: #1129107) * control, rules: enable building against libaudit, which is in main.