Use  instead of $NODE_CNT so that we can override and create less than 15 nodes.
Use  instead of $NODE_CNT so that we can override and create less than 15 nodes.

bcrochet/instack-undercloud,rdo-management/instack-undercloud,agroup/instack-undercloud,eprasad/instack-undercloud,eprasad/instack-undercloud,agroup/instack-undercloud,dmsimard/instack-undercloud,dpkshetty/instack-undercloud,bcrochet/instack-undercloud,rdo-management/instack-undercloud,dpkshetty/instack-undercloud,dmsimard/instack-undercloud