The bucket type for a couchbase bucket is set as "membase"

This was done on the server for backwards compatibility reasons.

Change-Id: I7f609da1625ba3234b228b4fa4042cf2c10d205c
Reviewed-on: http://review.couchbase.org/56108
Reviewed-by: Brett Lawson <brett19@gmail.com>
Tested-by: Brett Lawson <brett19@gmail.com>

clustermgr.go

@@ -82,7 +82,7 @@ func bucketDataInToSettings(bucketData *bucketDataIn) *BucketSettings {
 		Quota:         bucketData.Quota.Ram,
 		Replicas:      bucketData.ReplicaNumber,
 	}
-	if bucketData.BucketType == "couchbase" {
+	if bucketData.BucketType == "membase" {
 		settings.Type = Couchbase
 	} else if bucketData.BucketType == "memcached" {
 		settings.Type = Memcached