MG-RAST/Shock — pull request #12 by kortschak (2012-03-22 23:06:26+00:00)
Title: Remove user-facing panics and minor tidy of README

Please take a look at these changes.

I've removed user-facing panics and replaced with os.Exit() - could be done with a log.Fatal, but I'm not sure where you want to go with logging.

Also made synopsis a bit tidier.