Use the omniauth-nyulibraries gem from GitHub. This replaces the local OmniAuth NYU Libraries strategy, which has been removed.
Change the notice to indicate succesful login from "your" Facebook | Twitter | NYU Libraries | etc. account.
Update Hash syntax to Ruby 1.9 hash literal syntax.  It's syntactic sugar, but the Ruby style guide, https://github.com/bbatsov/ruby-style-guide, recommends it.