Replace literate coffeescript rules with an include of source.coffee

In my experience, having done it for a while in ST, I didn’t find a
case where the inclusion of the coffeescript source was causing an
issue, and in practice it simplify greatly the modifications.
Removes obsolete CoffeeScript rules
Merge pull request #13 from abe33/refactor_literate_coffee

Replace literate coffeescript rules with an include of source.coffee