Reorder parameters to make os-api-ref happy
Reorder parameters to make os-api-ref happy

This reorders the parameters in the parameters.yaml to please
os-api-ref. There are still some further work needed to deal with the
'optional' property of parameters.

Change-Id: Id4da5e81e08bd28359c89ced8a08dfb85579b6ea

openstack/senlin,openstack/senlin,openstack/senlin,stackforge/senlin,stackforge/senlin