Merge branch 'master' of https://gitlab.engr.illinois.edu/arshiam2/cs425-mp4

apache-spark/README.md

apache-spark/bin/beeline

apache-spark/bin/beeline.cmd

apache-spark/bin/docker-image-tool.sh

apache-spark/bin/find-spark-home

apache-spark/bin/find-spark-home.cmd

apache-spark/bin/load-spark-env.cmd

apache-spark/bin/load-spark-env.sh

apache-spark/bin/pyspark

apache-spark/bin/pyspark.cmd

apache-spark/bin/pyspark2.cmd

apache-spark/bin/run-example

apache-spark/bin/run-example.cmd

apache-spark/bin/spark-class

apache-spark/bin/spark-class.cmd

apache-spark/bin/spark-class2.cmd

apache-spark/bin/spark-shell

apache-spark/bin/spark-shell.cmd

apache-spark/bin/spark-shell2.cmd

apache-spark/bin/spark-sql