Fix code style violations in the ITL

fixes #12573

itl/command-nscp-local.conf

@@ -21,7 +21,6 @@ if (!globals.contains("NscpPath")) {
 	NscpPath = dirname(msi_get_component_path("{5C45463A-4AE9-4325-96DB-6E239C034F93}"))
 }
 
-
 object CheckCommand "nscp-local" {
 	import  "plugin-check-command"
 

itl/plugins-contrib.d/metrics.conf

@@ -1,3 +1,22 @@
+/******************************************************************************
+ * Icinga 2                                                                   *
+ * Copyright (C) 2012-2016 Icinga Development Team (https://www.icinga.org/)  *
+ *                                                                            *
+ * 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 2             *
+ * 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, write to the Free Software Foundation     *
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.             *
+ ******************************************************************************/
+
 object CheckCommand "graphite" {
 	import "plugin-check-command"
 

itl/plugins-contrib.d/network-services.conf

@@ -1,3 +1,22 @@
+/******************************************************************************
+ * Icinga 2                                                                   *
+ * Copyright (C) 2012-2016 Icinga Development Team (https://www.icinga.org/)  *
+ *                                                                            *
+ * 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 2             *
+ * 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, write to the Free Software Foundation     *
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.             *
+ ******************************************************************************/
+
 object CheckCommand "kdc" {
 	import "plugin-check-command"
 	import "ipv4-or-ipv6"

itl/plugins-contrib.d/operating-system.conf

@@ -129,7 +129,9 @@ object CheckCommand "yum" {
 
 object CheckCommand "iostat" {
 	import "plugin-check-command"
+
 	command = [ PluginContribDir + "/check_iostat" ]
+
 	arguments = {
 		"-d" = {
 			value = "$iostat_disk$"

itl/windows-plugins

@@ -17,4 +17,4 @@
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.             *
  ******************************************************************************/
  
- include "command-plugins-windows.conf"
+include "command-plugins-windows.conf"