Upgrade oss parent to version 7
Upgrade oss parent to version 7

bmahe/xmemcached,bmahe/xmemcached,fengshao0907/xmemcached,fengshao0907/xmemcached,XHidamariSketchX/xmemcached,killme2008/xmemcached,XHidamariSketchX/xmemcached,mbrukman/xmemcached,springning/xmemcached,killme2008/xmemcached,mbrukman/xmemcached,springning/xmemcached