juliuswwj

support of crypto.createHmac & http.write chunked mode

1

To use AWS kinesis producer putMedia interface, I modified some modules. The patch file locates at [iotjs](https://github.com/juliuswwj/aws-kinesis-producer-js/blob/master/iotjs.patch) and the sample project is [aws-kinesis-producer-js](https://github.com/juliuswwj/aws-kinesis-producer-js)