Update 'addUser' to 'createUser'
Update 'addUser' to 'createUser'

The 'addUser' shell helper is DEPRECATED. Use 'createUser' instead.
TrivialFix

Change-Id: Ib8c7a8971f46328a666cf63f1914fe50c7067064

stackforge/kolla,nihilifer/kolla,mrangana/kolla,rahulunair/kolla,rahulunair/kolla,dardelean/kolla-ansible,mrangana/kolla,dardelean/kolla-ansible,openstack/kolla,GalenMa/kolla,coolsvap/kolla,stackforge/kolla,GalenMa/kolla,coolsvap/kolla,intel-onp/kolla,nihilifer/kolla,coolsvap/kolla,openstack/kolla,dardelean/kolla-ansible,intel-onp/kolla,stackforge/kolla