Fix typo in ArgumentName.QUERY
Make CLI use ExploreClient to submit SQL queries to CDAP
Remove dependency for netty in cdap-cli
Spark Integration: SparkContext is closed by ProgramRunTimeService
Merge pull request #574 from caskdata/feature/fix-query-arg-name

Fix typo in ArgumentName.QUERY
Move Spark Program stop call (which in turn close Spark Context) to the place where it was instantiated. Also have small refactoring to simplify the code in the SparkProgramWrapper.
Merge pull request #586 from caskdata/feature/fix-spark-close

Spark Integration: SparkContext is closed by ProgramRunTimeService
Spark Examples: Fix sparkkmeans procedure for invalid index
Merge pull request #588 from caskdata/feature/sparkkmeans-fix

Spark Examples: Fix sparkkmeans procedure for invalid index
Spark Integration: SparkPageRank example now reads directly from Stream
Merge pull request #596 from caskdata/feature/sparkpr-streams

Spark Integration: SparkPageRank example now reads directly from Stream
Merge pull request #584 from caskdata/feature/cli-use-explore-client

Make CLI use ExploreClient to submit SQL queries to CDAP
Spark Integration: Service Discovery in Spark
Spark Integration: Spark with Service unit tests
Spark Integration: Addressed PR1 comments