standard Naive Bayes classifier

Has implemented the standard Naive Bayes classifier. This is an updated version of #288, which is closed because of misoperations.

SPARK-1002: Remove Binaries from Spark Source

This adds a few changes on top of the work by @scrapcodes.

Conflicts:
	core/src/test/scala/org/apache/spark/DriverSuite.scala
	docs/python-programming-guide.md

Closes #316

Modify spark on yarn to create SparkConf process

Spark-915 segregate scripts

Yarn refactor