Configuring Spark in windows x64 bit

To configure Spark, set the following env variables:

JAVA_HOME                      c:\jdk1.8.0_60

SPARK_HOME                     K:\spark-2.0.2-bin-hadoop2.7

HADOOP_HOME                    K:\hadoop-2.7.1
HADOOP_OPTS                    -Djava.library.path=%HADOOP_HOME%/lib/native