Prepare dispatcher inside of WebSocketServer
Prepare dispatcher inside of WebSocketServer

User may use WebSocketServer directly. So having dispatcher preparation
code inside of WebSocketServer makes it easier.

Review URL: https://codereview.appspot.com/6480070

git-svn-id: a751b5b3dcfba0ee4592a85c40d2fdd063ca0d53@661 4ff78f4a-9131-11de-b045-6380ec9940d4

XiaonuoGantan/pywebsocket,XiaonuoGantan/pywebsocket