Adding ability to pass metadata on every op.

Author: maxfortun

lib/submit-request.js

@@ -211,11 +211,7 @@ SubmitRequest.prototype._granularMetadataProjection = function() {
       continue;
     }
 
-    if (typeof doProject === 'function') {
-      metadataProjection[key] = doProject(request.op.m[key]);
-    } else {
-      metadataProjection[key] = request.op.m[key];
-    }
+    metadataProjection[key] = request.op.m[key];
   }
 
   return metadataProjection;