change duplicates strategy to avoid duplicate files in META-INFO folder,and also exclude maven folder in META-INFO.
change duplicates strategy to avoid
duplicate files in META-INFO folder,and also exclude maven folder in META-INFO.

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