Added the `lein-midje` plugin dependency.
Added the `lein-midje` plugin dependency.

It seems like this is often in people's person `.lein` directory, but it seemed a lot easier to get things going for class if I just added this to the project so people wouldn't have to mess with it.

D24illon/simple-symbolic-regression-clojure,joethe/simple-symbolic-regression-clojure,kristinrachor/simple-symbolic-regression-clojure,mega0022/simple-symbolic-regression-clojure,perfettiful/simple-symbolic-regression-clojure,joethe/4409_Lab2,stock400/simple-symbolic-regression-clojure,farmx009/simple-symbolic-regression-clojure,HFellows/simple-symbolic-regression-clojure,NicMcPhee/simple-symbolic-regression-clojure,Rorschach22/simple-symbolic-regression-clojure,gensc004/simple-symbolic-regression-clojure,lehet005/simple-symbolic-regression-clojure,joethe/simple-symbolic-regression-clojure,joethe/4409_Lab2,chapm250/simple-symbolic-regression-clojure,Rorschach22/simple-symbolic-regression-clojure