removed dependency for slf4j-simple
removed dependency for slf4j-simple

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