make AssemblyReader compatible with dotnetcore
make AssemblyReader compatible with dotnetcore

dsyme/FSharp.TypeProviders.StarterPack,fsprojects/FSharp.TypeProviders.SDK,fsprojects/FSharp.TypeProviders.StarterPack,cloudRoutine/FSharp.TypeProviders.StarterPack,sergey-tihon/FSharp.TypeProviders.StarterPack