Added 'user_id' and 'dry_run' as option for validate.  Record of who is doing what is now determined by unix name or commandline option.
Reworked classes to allow easier reporting of astrometric result files to the OSSOS dbase.  Also, fiddled with how provisional name errors are treated.
Created a script to astrometric reporting files for input into OSSOSdb.  Checkout those commandline options.