tasks/coffeeify.js
function(src, destination){
      grunt.verbose.writeln("Adding entries to be coffeeified/browserified: " +src);
      var browserifyInstance = browserify(src);
      return {dest: destination, instance: browserifyInstance};
    }
function(src, destination){
      grunt.verbose.writeln("Adding entries to be coffeeified/browserified: " +src);
      var browserifyInstance = browserify(src);
      return {dest: destination, instance: browserifyInstance};
    }
asynchronous task