Update notes for submitted changes

* Optimize creating security_group

f7/26163977367251b7466a3fbf351f5e128004b3

@@ -0,0 +1,17 @@
+Code-Review+1: jichenjc <jichenjc@cn.ibm.com>
+Code-Review+1: Maciej Szankin <maciej.szankin@intel.com>
+Code-Review+2: Stephen Finucane <sfinucan@redhat.com>
+Code-Review+1: Huan Xie <huan.xie@citrix.com>
+Code-Review+1: melissaml <ma.lei@99cloud.net>
+Code-Review+1: Takashi NATSUME <natsume.takashi@lab.ntt.co.jp>
+Code-Review+1: Zhenyu Zheng <zhengzhenyu@huawei.com>
+Code-Review+1: Ghanshyam Mann <ghanshyammann@gmail.com>
+Code-Review+2: Sean Dague <sean@dague.net>
+Workflow+1: Sean Dague <sean@dague.net>
+Verified+1: Citrix XenServer CI
+Verified+2: Jenkins
+Submitted-by: Jenkins
+Submitted-at: Sat, 27 May 2017 16:00:12 +0000
+Reviewed-on: https://review.openstack.org/315311
+Project: openstack/nova
+Branch: refs/heads/master