Merge pull request #2 from gejiawen/master

fix typo

Author: alsotang

queue.js

@@ -29,7 +29,7 @@ q.saturated = function() {
  * 监听：当最后一个任务交给worker时，将调用该函数
  */
 q.empty = function() {
-    log('no more tasks wating');
+    log('no more tasks waiting');
 }
 
 /**