Added support for falling back to the saltrepository method in script/cmtool.bat when using older versions of windows.
Added support for falling back to the saltrepository method in script/cmtool.bat when using older versions of windows.

HirotakaKato/boxcutter-windows-ja,boxcutter/windows,boxcutter/windows,boxcutter/windows,HirotakaKato/boxcutter-windows-ja,HirotakaKato/boxcutter-windows-ja