Cleaned up namespacing in routes

Also moved home controller and moved controllers up a level in http.

app/Entities/Controllers/ChapterController.php

@@ -12,7 +12,7 @@ use BookStack\Entities\Tools\NextPreviousContentLocator;
 use BookStack\Exceptions\MoveOperationException;
 use BookStack\Exceptions\NotFoundException;
 use BookStack\Exceptions\PermissionsException;
-use BookStack\Http\Controllers\Controller;
+use BookStack\Http\Controller;
 use BookStack\References\ReferenceFetcher;
 use Illuminate\Http\Request;
 use Illuminate\Validation\ValidationException;