Capybara, Poltergeist
README changes
Allow implicit FactoryGirl syntax (create, instead of FactoryGirl.create), in specs
Better breakdown of steps (I think)
Customer factory should create a user by default, as part of general rule: factory always creates valid objects
God only knows why, but migrating up and down seems to want to use BTrees in the schema
WIP Begin steps for integration specs, e.g. user posting works