Update CONTRIBUTING.md
Update CONTRIBUTING.md
xuzhongxing/deeplearning4j,xuzhongxing/deeplearning4j,xuzhongxing/deeplearning4j,crockpotveggies/deeplearning4j,xuzhongxing/deeplearning4j,crockpotveggies/deeplearning4j,crockpotveggies/deeplearning4j,crockpotveggies/deeplearning4j,crockpotveggies/deeplearning4j,xuzhongxing/deeplearning4j,crockpotveggies/deeplearning4j,xuzhongxing/deeplearning4j