Adding Derivation model and accoutrements
Adding Derivation and DerivationTypes routing, controller and placeholder view
Adding migration to create derivation_types table
adding derivation_types and derivations index views and controller actions; creating DerivationType model
Adding derivations and links and, god, I don't know, maybe I never committed any of the JavaScript because I was ashamed of how badly organized it was, and it's in there too. We'll find out when I do it because this thing isn't letting me diff from the command line and I don't have any other tools installed.