Fixed test projects
- Removed bogus reference to configuration
Cleaned up the mvc sample
- Removed unnecessary dependencies
- Removed web.config
- Use overload of UseServices that automatically adds options
[Fixes #911] RequireHttpsAttribute does not exist in MVC 6

1. GET requests will be redirected to the equivalent HTTPS url.
2. Requests with any other http method will fail with a 400.
Removing unused variable from RoslynCompilationService
moving global filters to options
AF Cookie should be reused within the context of same request.
Fixes issue #959
Fixing af tests which are failing due to hardcoded values of the tokens.
Limit the maximum number of Model errors to a reasonable value.

Fixes #490
Perf improvement by avoiding lambdas in ObjectResult conneg algo.