Fix the condition to include libraries.
We should use Spark and Hadoop libraries when we run application via sbt.
Add support cdh5.0.0
Merge pull request #1 from adachij2002/support-cdh5.0.0

Add support cdh5.0.0
Update document CDH5b2 to CDH5
Merge pull request #2 from nttdata-oss/update-document-beta-to-ga

Update document CDH5b2 to CDH5
Add GroupByTest for the benchmark of shuffling intermediate data.
Add application samples.
Add description about sample applications.
Add the description to sample application in spark-shell.
Modify the header of the description.
Add arguments for SparkPi.
This enable us to configure the number of samples.
Revert "Add arguments for SparkPi."

This reverts commit 32ff0af0ac88ab42bebaea99d16da54ce050883d.