http://stackoverflow.com/questions/34697744/spark-1-6-failed-to-locate-the-winutils-binary-in-the-hadoop-binary-path

http://toodey.com/2015/08/10/hadoop-installation-on-windows-without-cygwin-in-10-mints/

https://github.com/steveloughran/winutils/tree/master/hadoop-2.7.1/bin

https://github.com/karthikj1/Hadoop-2.7.1-Windows-64-binaries

install spark in Windows