[5.0] Refactoring and fixing make:auth

Renaming base branch from https://github.com/laravel/framework/pull/5961

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The make:auth artisan command was retuning the entire namespace in routing instructions, which caused the application to not work after adding the suggested routes. I removed the $NAMESPACE\Http\Controllers part which was being duplicated.

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I've commented out controller routing instructions since it does not work as of now.
Done.