fix broken links (#359)
fix broken links (#359)


huanzhang12/lightgbm-gpu,huanzhang12/LightGBM,olofer/LightGBM,fstonezst/LightGBM,huanzhang12/lightgbm-gpu,Allardvm/LightGBM,huanzhang12/lightgbm-gpu,henry0312/LightGBM,olofer/LightGBM,fstonezst/LightGBM,Laurae2/LightGBM,microsoft/LightGBM,olofer/LightGBM,microsoft/LightGBM,huanzhang12/LightGBM,Laurae2/LightGBM,wxchan/LightGBM,wxchan/LightGBM,henry0312/LightGBM,Allardvm/LightGBM,olofer/LightGBM,henry0312/LightGBM,Laurae2/LightGBM,Laurae2/LightGBM,Laurae2/LightGBM,olofer/LightGBM,Allardvm/LightGBM,huanzhang12/LightGBM,microsoft/LightGBM,Allardvm/LightGBM,microsoft/LightGBM,microsoft/LightGBM,wxchan/LightGBM,Allardvm/LightGBM,wxchan/LightGBM,henry0312/LightGBM,henry0312/LightGBM,huanzhang12/lightgbm-gpu,fstonezst/LightGBM,fstonezst/LightGBM,fstonezst/LightGBM,huanzhang12/LightGBM,wxchan/LightGBM,huanzhang12/LightGBM,huanzhang12/lightgbm-gpu