Message Queue Node.js Server
msgget.js is used to get messages from client and push the message to redis ; msgstat.js is used to get a list's status in redis( There are 3 kind of status of list: order(which means this task is still in order); working(which means someone is just woking with this task); done(which means the task has been done) ) ; msgstatchange.js is used to change a list's status;