message: Use vendored json-stringify-safe in raven.js
diff: 'use strict';
  var TraceKit = require('../vendor/TraceKit/tracekit');
  +var stringify = require('../vendor/json-stringify-safe/stringify');
  var RavenConfigError = require('./configError');
  var utils = require('./utils');
  var isError = utils.isError,
  isObject = utils.isObject;
  -var stringify = require('json-stringify-safe');
  -
  var wrapConsoleMethod = require('./console').wrapMethod;
  var dsnKeys = 'source protocol user pass host port path'.split(' '),
  