Revert "To date changes from NU server"

This reverts commit d500196bb34c6bfe64c40dd58c4eeb094b9ca7a8.
Revert "Config that has some debug $env turned on by default. Rename --> config.php"

This reverts commit d86592348ee840e9bb06d9c42b8de8d18beb4564.
Revert "Additional changes from NU server"

This reverts commit fabcf9b5481f235f7352bca7f7934bf43f9d7262.