function _parseEndPointUrl(endPoint, identifier) {
          if (!_.isUndefined(identifier)) {
            endPoint = endPoint + '/' + identifier;
          }

          return BackendConfig.url + '/' + endPoint;
        }
Helper function to get "proper" end point url for sails backend API.

@param   {string}    endPoint        Name of the end point
@param   {number}    [identifier]    Identifier of endpoint object

@returns {string}
@private