enable transition in pensieve

Return the locations array in the API of multiple backend putobject
command, so that transition policies can use it to update metadata
with the new location as-is.

lib/routes/routeBackbeat.js

@@ -402,9 +402,26 @@ function putObject(request, response, log, callback) {
             if (contentMD5 !== md5) {
                 return callback(errors.BadDigest);
             }
+            // stealing some code from createAndStoreObject.js to
+            // create a valid locations array
+            const { key, dataStoreName, dataStoreType, dataStoreETag,
+                    dataStoreVersionId } = retrievalInfo;
+            const prefixedDataStoreETag = dataStoreETag
+                      ? `1:${dataStoreETag}`
+                      : `1:${md5}`;
+            const location = [{
+                key,
+                size: payloadLen,
+                start: 0,
+                dataStoreName,
+                dataStoreType,
+                dataStoreETag: prefixedDataStoreETag,
+                dataStoreVersionId,
+            }];
             const dataRetrievalInfo = {
                 // TODO: Remove '' when versioning implemented for Azure.
                 versionId: retrievalInfo.dataStoreVersionId || '',
+                location,
             };
             return _respond(response, dataRetrievalInfo, log, callback);
         });

lib/utilities/reportHandler.js

@@ -37,6 +37,7 @@ function getCapabilities() {
         locationTypeNFS: true,
         preferredReadLocation: true,
         managedLifecycle: true,
+        managedLifecycleTransition: true,
         secureChannelOptimizedPath: hasWSOptionalDependencies(),
         s3cIngestLocation: true,
     };