Retargeted project from Win8 to Win8.1
Retargeted project from Win8 to Win8.1

* Src/UnitsNet/UnitsNet.netcore45.csproj

BoGrevyDynatest/UnitsNet,BrandonLWhite/UnitsNet,maherkassim/UnitsNet,maherkassim/UnitsNet,anjdreas/UnitsNet,neutmute/UnitsNet,Tirael/UnitsNet,BrandonLWhite/UnitsNet,anjdreas/UnitsNet