chore(Cakefile): automates file make for exercises

- do `cake new <exercise>` to create bm, spec, and app files.
- important: CoffeeScript will complain thinking that additional
arguments are cake tasks. Functionally it is working, so I won't resolve
this just yet.
chore(config): adjusts bm files to work as coffee

- do `coffee <exercise>` to run benchmarks herein
fix: resolves conflict in Cakefile

Conflicts:
	Cakefile