Merge pull request #335 from tzz/master

newrelic fixes
newrelic: add ensure/stop and install/uninstall; rename restarted to running in return data; add handles and activation IDs
Merge pull request #337 from tzz/feature/newrelic

newrelic: add ensure/stop and install/uninstall; rename restarted to running in return data; add handles and activation IDs
newrelic: invalid license key