wrappedSuccess = function (response) {
      var getUrl = pskl.utils.Template.replace(Constants.IMAGE_SERVICE_GET_URL, {
        protocol: protocol
      });
      success(getUrl + response.responseText);
    }
Upload a base64 image data to distant service.
If successful, will call provided callback with the image URL as first argument;
@param {String} imageData base64 image data (such as the return value of canvas.toDataUrl())
@param {Function} success success callback. 1st argument will be the uploaded image URL
@param {Function} error error callback