toybuilder: couchstore's manifest

Change-Id: Icd6785a848d0578281045b1feec45c29fa321a77
Reviewed-on: http://review.couchbase.org/30078
Reviewed-by: abhinav dangeti <abhinav@couchbase.com>
Tested-by: abhinav dangeti <abhinav@couchbase.com>