0.7.0-rc2

Download and keep the terraform state inside the cluster directory

Otherwise configuring multiple clusters with prep_for_subm.sh as we explain
on the quickstarts [1] does not work, and the machineset yaml files
are overwritten.

[1] https://submariner.io/quickstart/openshift/service_discovery/

Fixes-Issue: #876

Signed-off-by: Miguel Angel Ajo <[email protected]>