With HADOOP-9902 moving a lot of the core functionality to functions, we should build some unit tests for them.
Add simulated data node cluster start/stop commands in hadoop-dameon.sh .
Add tests that try starting the various hadoop command line scripts
Create tests for scripts to verify basic user experience, i.e. version, etc.
Calling shell scripts from build.xml discriminates Windows user minority.
Post-9902 "Umbrella" JIRA
Deleting pid file after stop is causing the daemons to keep restarting
Incorporate ShellCheck static analysis into Jenkins pre-commit builds.