ref: 32fd2c4e4d2fc895ca18901c096f0dd488e355d5
parent: 42389008a3e480e356e63e705971933af5537252
author: huili2 <huili2@cisco.com>
date: Mon Jan 6 08:28:55 EST 2014
interface clean and inside modification clean and comment some API. move the SKIP mv pred location remove the unused buffer in intra construction.