Ensure proper output flushing for Node.js

Author: nzakas

src/cli/node.js

@@ -19,7 +19,8 @@ cli({
     quit: function(code){
 
         //Workaround for https://github.com/joyent/node/issues/1669
-        if (!process.stdout.flush || !process.stdout.flush()) {
+        
+        if ((!process.stdout.flush || !process.stdout.flush()) && (parseFloat(process.versions.node) < 0.5)) {
             process.once("drain", function () {
                 process.exit(code || 0);
             });