[CentOS-mirror] add a new centos mirror.

[huang mingyou]

hello,list.
        I had mirror the centos from the msync.centos.org .I use rsync
syncronize the mirror daily.The URL of this mirror is :
http://mirrors.vmmatrix.net/centos/,locate of this mirror is
ShangHai,China. Bandwidth of this mirror is 200Mbit. the sponsoring
organization is Vmmatrix Co., Ltd. our had mirror the
kernel,apache,ldp,debian,trustix and  join them's mirror list.
--
hmy