Migrate several rewrite logics from the 404 handler to the PageRequest.
Migrate several rewrite logics from the 404 handler to the PageRequest.

This allows rewrite maps to be redirected immediately instead of falling back to a hook.

nicholasryan/CorePlus,nicholasryan/CorePlus,nicholasryan/CorePlus,nicholasryan/CorePlus,nicholasryan/CorePlus,nicholasryan/CorePlus,nicholasryan/CorePlus,nicholasryan/CorePlus