treat nuget repo as v3 if url ends with index.json
treat nuget repo as v3 if url ends with index.json

fsprojects/Paket,thinkbeforecoding/Paket,baronfel/Paket,thinkbeforecoding/Paket,fsprojects/Paket,thinkbeforecoding/Paket,baronfel/Paket,thinkbeforecoding/Paket