Don't kill keystone, but instead wait for it to finish at the end
Don't kill keystone, but instead wait for it to finish at the end

use the bash wait builtin to wait for the keystone process to exit.

Change-Id: I03057e7925e7e41120c163c0be22ade75050d9f1

dardelean/kolla-ansible,meticulo3366/kolla,limamauricio/mykolla,toby82/kolla,jakedahn/kolla,GalenMa/kolla,dardelean/kolla-ansible,jakedahn/kolla,chenzhiwei/kolla,negronjl/kolla,mrangana/kolla,chenzhiwei/kolla,intel-onp/kolla,toby82/kolla,brk3/kolla,fdumpling/kolla,mandre/kolla,invenfantasy/kolla,toby82/kolla,invenfantasy/kolla,LoHChina/kolla,rajalokan/kolla,limamauricio/mykolla,HackToday/kolla,HackToday/kolla,coolsvap/kolla,negronjl/kolla,chenzhiwei/kolla,bdastur/kolla,limamauricio/mykolla,invenfantasy/kolla,mandre/kolla,nihilifer/kolla,tonyli71/kolla,tonyli71/kolla,rajalokan/kolla,dardelean/kolla-ansible,fdumpling/kolla,HackToday/kolla,jakedahn/kolla,rahulunair/kolla,bdastur/kolla,stackforge/kolla,mandre/kolla,stackforge/kolla,negronjl/kolla,GalenMa/kolla,LoHChina/kolla,fdumpling/kolla,intel-onp/kolla,openstack/kolla,brk3/kolla,LoHChina/kolla,stackforge/kolla,coolsvap/kolla,nihilifer/kolla,openstack/kolla,meticulo3366/kolla,rahulunair/kolla,mrangana/kolla,rajalokan/kolla,coolsvap/kolla