revisited handling club RouteConstraint

Found an important example at
http://stackoverflow.com/questions/9003736/asp-net-mvc-custom-route-constraints-dependency-injection-and-unit-testing
revisited the date route and applying same strategy as for the club routeValue and constraint
Typos in Error page texts
Trials for a 500 Error reporting page but problems with Server.GetLastError
Cleanup in Routes because we now use constraints
Introduced demo seed for both databases when an empty database is meet