CBQE-1082 Update views ssd spec based on latest automation code

Introduce index building post condition and rebalance N nodes

Change-Id: Ib6f69fafa857d98c07e1c2ec3d4a1871a4880401
Reviewed-on: http://review.couchbase.org/25771
Reviewed-by: Chisheng Hong <chisheng@couchbase.com>
Tested-by: Chisheng Hong <chisheng@couchbase.com>