Bundle foreigner
Bundle should-matchers + configure it
Require haml, meta_tags and simple_form in engine

It seems in this engine development environment, they don't get required otherwise.
Kinda makes sense I guess.
Adding the to the Gemfile also works, but I'm sceptical about that.
Give dummy db a unique name
Delete layout file
Use parent applications layout file
Wow::Realm & scaffold
Don't isolate_namespace

so we can access the app's helpers
Add polling_enabled to Realm
Bundle factory_girl + configure it
Wow::Auction & scaffold