added code to track login attempts

Application now tracks login attempts and locks the user out after a given number of failures:

See the following web.config settings to change number of login attempts and lockout duration.

var AllowedFailedLogins = Convert.ToInt32(WebConfigurationManager.AppSettings["NumberOfLoginAttempts"]);
var LockoutDurationMins = Convert.ToInt32(WebConfigurationManager.AppSettings["LockoutDurationMins"]);

Nancy User Manager v1.0

Initial release