code: function build(name, params, cb) {
    var body = { parameter: [] } ;
    _.keys(params).forEach(function (key) {
      body.parameter.push({ name: key, value: params[key] });
    });
    var opts = {
      token: 'nestor'
    };
    this.remoteAccessApi.postJobBuild(name, JSON.stringify(body), _.merge(opts, this.opts.headers), cb);
  }
docs: Build a job.
  
  @param {String} name: Jenkins job name
  @param {Object|String} params: build parameters key-value pairs, passed as object or 'a=b&c=d' string
  @param {Function} cb: standard cb(err, result) callback