Fix error NU1003 for .net core 2.0 (#59)
Fix error NU1003 for .net core 2.0 (#59)

Error message:  error NU1003: PackageTargetFallback and AssetTargetFallback cannot be used together.
Remove PackageTargetFallback(deprecated) references from the project environment.

See: https://stackoverflow.com/questions/45569378/upgrading-to-net-core-2-0-packagetargetfallback-and-assettargetfallback-cannot

Closes #57 
MarkPieszak/AspNETCore-Vue-starter,MarkPieszak/AspNETCore-Vue-starter