Bump nuget to 2.0.0 RTM.
Bump nuget to 2.0.0 RTM.

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