upgraded http client to 4.3.4
upgraded http client to 4.3.4

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