- remove useless `configuration` variables and `Configuration` instances
- remove "Review" code comment
- unintentionally included in commit 4b5dd19
- reduce repeated code in `TestHelper` for functional tests
- `CreateServer()` methods had duplicate code, an ambiguous match, and an odd order
- rename `GetTestConfiguration()` to `UseCultureReplacer()` in functional tests
- #EngineeringDay
- license present but incorrect in just a few files
- skip generated files such as Resources.Designer.cs and files under
test\Microsoft.AspNet.Mvc.Razor.Host.Test\TestFiles\Output