public GithubSignInSettings()
 {
     AuthEndpoint           = new Uri("https://github.com/login/oauth/authorize");
     TokenEndpoint          = new Uri("https://github.com/login/oauth/access_token");
     UserProfileEndpoint    = new Uri("https://api.github.com/user?access_token=");
     SignInCallbackEndpoint = (request, urls) => new Uri(urls.FullUrlFor(request.Get <GithubLoginCallback>()));
     DataRequestScopes      = new[] { "user.email" };
     UserProfileGraph       = new GithubGraph();
 }
 public GithubSignInSettings()
 {
     AuthEndpoint = new Uri("https://github.com/login/oauth/authorize");
     TokenEndpoint = new Uri("https://github.com/login/oauth/access_token");
     UserProfileEndpoint = new Uri("https://api.github.com/user?access_token=");
     SignInCallbackEndpoint = (request, urls) => new Uri(urls.FullUrlFor(request.Get<GithubLoginCallback>()));
     DataRequestScopes = new[] { "user.email" };
     UserProfileGraph = new GithubGraph();
 }