Improve PIDGen examples
Trying to make sure out-of-the-box example scripts are less prone to failure (safer tmp files, XRootD support, etc.) and simplify the config in the top section. clean up whitespace from python scripts
Trying to make sure out-of-the-box example scripts are less prone to failure (safer tmp files, XRootD support, etc.) and simplify the config in the top section. clean up whitespace from python scripts