public AndroidAuthManager(IOAuthTokenEndpointConfig c)
		{
			config = c;

			http = new HttpClient()  
			{
				BaseAddress = new Uri(c.Endpoint),
			};

			http.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic", createAuthToken());
		}
		public AuthenticationManager(IOAuthTokenEndpointConfig c)
		{
			config = c;

			http = new HttpClient()  
			{
				BaseAddress = new Uri(c.Endpoint),
			};

			http.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic", createAuthToken());

			//tokenService = RestService.For<IOwinTokenApi> (http);
		}