Cleaned up namespacing in routes

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

app/Entities/Controllers/PageRevisionController.php

@@ -8,7 +8,7 @@ use BookStack\Entities\Repos\PageRepo;
 use BookStack\Entities\Tools\PageContent;
 use BookStack\Exceptions\NotFoundException;
 use BookStack\Facades\Activity;
-use BookStack\Http\Controllers\Controller;
+use BookStack\Http\Controller;
 use BookStack\Util\SimpleListOptions;
 use Illuminate\Http\Request;
 use Ssddanbrown\HtmlDiff\Diff;