Remove Heroku remnant
Revert "Autoload!"

This reverts commit 596b29755abd637972d7a9f17835b2c61cb8fc5a.

It causes 'lein midje' to fail.
Extract game loop to its own file
Added (empty) test file for web.clj
Renamed test files to conform to recommended scheme
Added test for envelope unwrapper
Refactor after reading Joy of Clojure (2nd edition)