Updated readme to reference v2 sample (#30)
Updated readme to reference v2 sample (#30)

@jmprieur added note to readme file referencing v2 sample TFS #659895
AzureADSamples/Daemon-DotNet,Azure-Samples/active-directory-dotnet-daemon,AzureADSamples/Daemon-DotNet,AzureADSamples/Daemon-DotNet,Azure-Samples/active-directory-dotnet-daemon,Azure-Samples/active-directory-dotnet-daemon