upgraded jackson to 2.3.2
upgraded jackson to 2.3.2

cgourlay/moco,ForrestVV/moco,ruiruiguo/moco,zhigang1992/moco,ysjian/moco,ForrestAlfred/moco,LiuShulong/moco,sandyway/moco,yonglehou/moco,ysjian/moco,yonglehou/moco,ForrestVV/moco,sandyway/moco,jasonchaffee/moco,dreamhead/moco,ForrestAlfred/moco,LiuShulong/moco,rickhan2014/moco,zhigang1992/moco,rickhan2014/moco,cgourlay/moco,dreamhead/moco,jasonchaffee/moco,ruiruiguo/moco