Wait for container SSH
Wait for container SSH

This adds a wait condition when creating the containers to ensure
that the containers are created correctly and that ssh is available
within them before actually continuing with the installation process

Change-Id: I78926651ea7a0cdfd6d903c590b421448264a4fb

VaneCloud/openstack-ansible,VaneCloud/openstack-ansible,yanyao/openstack-deployment,yanyao/openstack-deployment,yanyao/openstack-deployment,VaneCloud/openstack-ansible,yanyao/openstack-deployment