0.0.2 
[completed]
	1) 	put ip.conf and slurm-serverd in /etc, and make install/uninstall can 
		be executed
	2) 	use libevent and buffer event to setup the non-blocking socket 
		
[to do]
	1)	problems:
		after make install, daemon can not be started properly
		/etc/init.d/slurm-serverd start
		/etc/init.d/slurm-serverd status  
		with some problem.
[notice]
	1) non_blocking socket connection with libevent and select are provided