Scripts for auto-generating robot packages

Initial PR for robot package generation scripts.  See package README for a quick tutorial.  Remaining items (not included in this PR) 
 * Python documentation
 * Wiki tutorials
afaik `argparse` should automatically format the help text with a default, if one is provided (not sure how that works with lists though). Alternatively, you could use the `%(default)s` string format arg in your help text (instead of concatenation).