[R-package] Add warning for missing of msvc runtime dll (#614)
[R-package] Add warning for missing of msvc runtime dll (#614)

* Fixes #610

* Not force user to install VS Runtime if VS installed

* Fix Visual Studio version solutions

huanzhang12/LightGBM,Laurae2/LightGBM,Allardvm/LightGBM,olofer/LightGBM,wxchan/LightGBM,henry0312/LightGBM,microsoft/LightGBM,microsoft/LightGBM,olofer/LightGBM,Laurae2/LightGBM,henry0312/LightGBM,olofer/LightGBM,huanzhang12/LightGBM,microsoft/LightGBM,henry0312/LightGBM,wxchan/LightGBM,Laurae2/LightGBM,henry0312/LightGBM,olofer/LightGBM,huanzhang12/LightGBM,Allardvm/LightGBM,Laurae2/LightGBM,microsoft/LightGBM,wxchan/LightGBM,Allardvm/LightGBM,microsoft/LightGBM,Laurae2/LightGBM,wxchan/LightGBM,henry0312/LightGBM,Allardvm/LightGBM,olofer/LightGBM,Allardvm/LightGBM,wxchan/LightGBM,huanzhang12/LightGBM,huanzhang12/LightGBM