Don't emit info output in quiet mode

bin/node-sass

@@ -328,7 +328,7 @@ function run(options, emitter) {
  */
 function renderFile(file, options, emitter) {
   options = getOptions([path.resolve(file)], options);
-  if (options.watch) {
+  if (options.watch && !options.quiet) {
     emitter.emit('info', util.format('=> changed: %s', file));
   }
   render(options, emitter);
@@ -355,7 +355,9 @@ function renderDir(options, emitter) {
       renderFile(subject, options, emitter);
     }, function(successful, arr) {
       var outputDir = path.join(process.cwd(), options.output);
+      if (!options.quiet) {
         emitter.emit('info', util.format('Wrote %s CSS files to %s', arr.length, outputDir));
+      }
       process.exit();
     });
   });