http/map-reduce-stream.js
var request = require('request')
var parseChunkedStream = require('./parse-chunked-stream')
var parseMapReduceStream = require('./parse-map-reduce-stream')
var getMapReduceRequestOpts = require('./get-map-reduce-request-opts')
module.exports = function(opts) {
opts.baseURL = this.baseURL
var requestOpts = getMapReduceRequestOpts(opts)
var readableStream = request(requestOpts)
var unchunkedStream = parseChunkedStream(readableStream)
var parsedStream = parseMapReduceStream(unchunkedStream)
return parsedStream
}