Guest may register as norse deity

*phew* this is quite a few commits.

But now a user can register, and their password is reasonably secure.

PROGRAMMING!

P.s. @supertopher, any chance you could add me as a collaborator on heroku for thunder-staging? :heart:


I didn't get a chance to comment on each line because I wanted to get the code out to you tonight for the gopher snakes review.