mozilla/fxa-content-server — pull request #589 by shane-tomlinson (2014-02-20 18:25:06+00:00)
Title: WIP: feat: Add a styled 404 page, rendered on the back end.

* Add consolidate middleware to handle the interface between express and handlebars
* Add a middleware to respond to 404s
* Add a branch to the 't' handlebars helper to deal with 't' when invoked in templates written using res.render

issue #554