Closed Issue: DataServiceId is not in the response header to a PUT, POST, MERGE, or PATCH request [532]

As specified in the spec: http://www.odata.org/media/30002/OData.html#thedataserviceidheader

A response to a PUT, POST, MERGE, or PATCH request that returns 404 No Content MUST include a DataServiceId response header.

We should include the header when user returns void from action.
Comments: The layer below web api layer could return 404 that we won't be able to add this header.