feature: Capture device troubleshooting info (discovery, poller, snmpwalk)

Admins can capture device troubleshooting info from the webui by clicking the gear and selecting Capture.

html/ajax_output.php

@@ -0,0 +1,29 @@
+<?php
+
+/*
+ * LibreNMS
+ *
+ * Copyright (c) 2014 Neil Lathwood <https://github.com/laf/ http://www.lathwood.co.uk/fa>
+ *
+ * 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.  Please see LICENSE.txt at the top level of
+ * the source code distribution for details.
+ */
+
+require_once '../includes/defaults.inc.php';
+require_once '../config.php';
+require_once '../includes/definitions.inc.php';
+require_once 'includes/functions.inc.php';
+require_once '../includes/functions.php';
+require_once 'includes/authenticate.inc.php';
+
+set_debug($_REQUEST['debug']);
+$id = mres($_REQUEST['id']);
+
+if (isset($id)) {
+    if (file_exists("includes/output/$id.inc.php")) {
+        include_once "includes/output/$id.inc.php";
+    }
+}