Dashboard widget update (#9515)

Implemented in Laravel
Doesn't use legacy PHP session
Several widgets have new features and settings, for example:

- Multiple ports in one graph
- Maps settings are configurable and override system settings but default to system settings
- Graylog stream and/or device selection
- Much improved graph widget selection
- Many more

DO NOT DELETE THIS TEXT

#### Please note

> Please read this information carefully. You can run `./scripts/pre-commit.php` to check your code before submitting.

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#### Testers

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app/Http/Controllers/Table/SimpleTableController.php

@@ -0,0 +1,72 @@
+<?php
+/**
+ * SimpleTableController.php
+ *
+ * -Description-
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @package    LibreNMS
+ * @link       http://librenms.org
+ * @copyright  2018 Tony Murray
+ * @author     Tony Murray <[email protected]>
+ */
+
+namespace App\Http\Controllers\Table;
+
+use App\Http\Controllers\Controller;
+use Illuminate\Http\Request;
+use Illuminate\Support\Collection;
+
+abstract class SimpleTableController extends Controller
+{
+    public static $base_rules = [
+        'current' => 'int',
+        'rowCount' => 'int',
+        'searchPhrase' => 'nullable|string',
+        'sort.*' => 'in:asc,desc',
+    ];
+
+    /**
+     * Validate the given request with the given rules.
+     *
+     * @param  \Illuminate\Http\Request $request
+     * @param  array $rules
+     * @param  array $messages
+     * @param  array $customAttributes
+     * @return void
+     */
+    public function validate(Request $request, array $rules = [], array $messages = [], array $customAttributes = [])
+    {
+        $full_rules = array_replace(self::$base_rules, $rules);
+        parent::validate($request, $full_rules, $messages, $customAttributes);
+    }
+
+    /**
+     * @param array|Collection $rows
+     * @param int $page
+     * @param int $currentCount
+     * @param int $total
+     * @return \Illuminate\Http\JsonResponse
+     */
+    protected function formatResponse($rows, $page, $currentCount, $total)
+    {
+        return response()->json([
+            'current' => $page,
+            'rowCount' => $currentCount,
+            'rows' => $rows,
+            'total' => $total,
+        ]);
+    }
+}