Entity Repo & Controller Refactor (#1690)

* Started mass-refactoring of the current entity repos

* Rewrote book tree logic

- Now does two simple queries instead of one really complex one.
- Extracted logic into its own class.
- Remove model-level akward union field listing.
- Logic now more readable than being large separate query and
compilation functions.

* Extracted and split book sort logic

* Finished up Book controller/repo organisation

* Refactored bookshelves controllers and repo parts

* Fixed issues found via phpunit

* Refactored Chapter controller

* Updated Chapter export controller

* Started Page controller/repo refactor

* Refactored another chunk of PageController

* Completed initial pagecontroller refactor pass

* Fixed tests and continued reduction of old repos

* Removed old page remove and further reduced entity repo

* Removed old entity repo, split out page controller

* Ran phpcbf and split out some page content methods

* Tidied up some EntityProvider elements

* Fixed issued caused by viewservice change

app/Http/Controllers/Auth/ResetPasswordController.php

@@ -44,7 +44,7 @@ class ResetPasswordController extends Controller
     protected function sendResetResponse(Request $request, $response)
     {
         $message = trans('auth.reset_password_success');
-        $this->showSuccessNotification( $message);
+        $this->showSuccessNotification($message);
         return redirect($this->redirectPath())
             ->with('status', trans($response));
     }