Merge branch 'patch-1' of git://github.com/YuriPetskus/OwinOAuthProviders into YuriPetskus-patch-1

src/Owin.Security.Providers.VKontakte/VKontakteAuthenticationHandler.cs

@@ -96,6 +96,10 @@ namespace Owin.Security.Providers.VKontakte
 
                 var context = CreateAuthenticatedContext(user, accessToken, properties);
     
+                // Email support. VK send it with access_token
+                context.Identity.AddClaim(new Claim(ClaimTypes.Email, response["email"].ToString(), XmlSchemaString,
+                    Options.AuthenticationType));
+
                 await Options.Provider.Authenticated(context);
 
                 return new AuthenticationTicket(context.Identity, context.Properties);