ans-command

Is there something we can use to generate manpages from markdown?

Also sort keys in JSON file and pretty print

all modules take a common parameter name.  But more or less we still work idempotently
in modules.

make tmp path be a dir rather than a temp file

two fixes here

this fixes the ctrl-c not-working problem.

implemented this solution: http://www.bryceboe.com/2010/08/26/python-multiprocessing-and-keyboardinterrupt/#georges

also add hosts which do not get a chance to return results to the 'dark' results.

If the error is an authentication exception - just report it that way don't dump out an unappetizing traceback which just says the same

Docs fixin

Update man pages. Fix formatting in playbook example. Also, YAML documents by definition start with '---', so I have added this to the example and the manpage