merging node into master -- you can now pass the --narwhal flag to use narwhal instead. All tests are executing successfully against both Node.js and Narwhal/Rhino backends

lib/coffee_script/runner.js

@@ -0,0 +1,11 @@
+(function(){
+  var coffee, paths;
+  // Quickie script to compile and run all the files given as arguments.
+  process.mixin(require('sys'));
+  coffee = require('./coffee-script');
+  paths = process.ARGV;
+  paths = paths.slice(2, paths.length);
+  paths.length ? coffee.compile_files(paths, function(js) {
+    return eval(js);
+  }) : require('./repl');
+})();