Eric's linux and nginx!

新增功能：
增加 BasicAuth 认证功能，
去掉了显示：serveraccepts handled requests
只显示主要的: ActiveConn reading writing waiting
优化代码可以省去不需要的参数。

源码：

# -*- coding: utf-8 -*-
#!/usr/bin/python
# check_nginx is a Nagios to monitor nginx statu
# my blog: http://www.nginxs.com
# The version is 1.0.1
# MSN: yangzi2008@126.com

import string
import urllib2
import getopt
import sys

def usage():
   print """check_nginx is a Nagios to monitor nginx status
   Usage:

   check_nginx [-h|--help][-u|--url][-p|--path][-w|--warning][-c|--critical]

   Options:
          --help|-h)