Updates to 2.6 Service docs
Put command desc in quotes
CDAP-538: Ported procedures to services of SparkKMeans app; Updated scripts.
Merge remote-tracking branch 'upstream/develop' into CDAP-538-spark-k-means-app
Merge remote-tracking branch 'upstream/develop' into CDAP-538-spark-k-means-app
CDAP-538: Replaced sendError to sendString for response.
CDAP-538: Added tests for SparkKMeans app; Send response as string instead of Json.
add an example that runs wordcount over file datasets
Merge branch 'develop' of github.com:caskdata/cdap into feature/services-2.6-docs
renamed app to FileSetExample; addressed John's comments
Address comments and add note on param types
Fix get service endpoints CLI
addressing more of JJ's comments
Merge branch 'feature/file-example' into develop
Spark Integration: fix failing spark unit test
Merge pull request #681 from caskdata/feature/fix-spark-unit

Spark Integration: fix failing spark unit test
Removed python compiled file.
Corrected spelling, reversed order in example, added "Spark Programs".
Corrected link to lifecycle, and corrected usage of "lifecycle" (should be one word).
Corrected case of parameter in definition.
Merge pull request #637 from caskdata/feature/services-2.6-docs

Updates to 2.6 Service docs
Merge pull request #641 from cybervisiontech/CDAP-538-spark-k-means-app

CDAP-538: Ported procedures to services of SparkKMeans app; Added unittests.
Spark Integration: Collect system metrics from Spark