benchmark for the Luminus framework

[Luminus](http://www.luminusweb.net/) is a Clojure framework based around [Compojure](https://github.com/weavejester/compojure), [Clabango](https://github.com/danlarkin/clabango), and [lib-noir](https://github.com/noir-clojure/lib-noir). This benchmark is based on the Compojure benchmark.