Bump version; Add LICENSE.txt; Update licensing headers

Makefile

 BASE=buyer_assign_group
 PLUGINTYPE=vmcustom
 ZIPBASE=opentools_vm2
-VERSION=1.5
+VERSION=1.6
 
 PLUGINFILES=$(BASE).php $(BASE).script.php $(BASE).xml index.html
 
@@ -17,7 +17,7 @@ ZIPFILE=plg_$(ZIPBASE)_$(BASE)_v$(VERSION).zip
 
 zip: $(PLUGINFILES) $(TRANSLATIONS) $(ELEMENTS) $(TMPLFILES)
 	@echo "Packing all files into distribution file $(ZIPFILE):"
-	@zip -r $(ZIPFILE) $(PLUGINFILES) $(TRANSLATIONS) $(ELEMENTS) $(FIELDS) $(INDEXFILES) $(TMPLFILES) $(ASSETS)
+	@zip -r $(ZIPFILE) $(PLUGINFILES) $(TRANSLATIONS) $(ELEMENTS) $(FIELDS) $(INDEXFILES) $(TMPLFILES) $(ASSETS) LICENSE.txt
 
 clean:
 	rm -f $(ZIPFILE)

buyer_assign_group.xml

@@ -6,7 +6,7 @@
     <authorUrl>http://www.open-tools.net/</authorUrl>
     <copyright>Copyright (C) 2013-2014 Reinhold Kainhofer. All rights reserved.</copyright>
     <license>http://www.gnu.org/licenses/gpl.html GNU/GPL v3+</license>
-    <version>1.5</version>
+    <version>1.6</version>
     <description>VMCUSTOM_BUYER_GROUP_DESC</description>
     <files>
         <filename plugin="buyer_assign_group">buyer_assign_group.php</filename>

elements/vmorderstates.php

 <?php
 defined ('_JEXEC') or die();
+
 /**
- *
- * @package    VirtueMart
- * @subpackage Plugins  - Elements
- * @author Valérie Isaksen
- * @link http://www.virtuemart.net
- * @copyright Copyright (c) 2004 - 2011 VirtueMart Team. All rights reserved.
- * @license http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.php
- * VirtueMart is free software. This version may have been modified pursuant
- * to the GNU General Public License, and as distributed it includes or
- * is derivative of works licensed under the GNU General Public License or
- * other free or open source software licenses.
- * @version $Id:$
- */
+*
+* @package VirtueMart
+* @subpackage VM Buyers to Joomla Groups Plugin
+* @copyright Copyright (C) 2015 Open Tools, Reinhold Kainhofer.
+* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.txt
+* VirtueMart is free software. This version may have been modified pursuant
+* to the GNU General Public License, and as distributed it includes or
+* is derivative of works licensed under the GNU General Public License or
+* other free or open source software licenses.
+*
+* http://www.open-tools.net
+*/
+
 if (!class_exists('VmConfig'))  require(JPATH_VM_ADMINISTRATOR.DS.'components'.DS.'com_virtuemart'.DS.'helpers'.DS.'config.php');
 if(!class_exists('VmModel'))    require(JPATH_VM_ADMINISTRATOR.DS.'helpers'.DS.'vmmodel.php');
 

language/en-GB/en-GB.plg_vmcustom_buyer_assign_group.ini

-; Virtuemart! Project
-; Copyright (C)  2013 Open Tools, Reinhold Kainhofer
-; License http://www.gnu.org/licenses/gpl.html GNU/GPL, see LICENSE.php
+; Assign VM Customers to Joomla Groups plugin
+; Copyright (C)  2014 Open Tools. All rights reserved.
+; License http://www.gnu.org/licenses/gpl.html GNU/GPL, see LICENSE.txt
 ; Note : All ini files need to be saved as UTF-8 - No BOM
 
 VMCUSTOM_BUYER_GROUP="Add Buyers to Joomla Groups for VirtueMart"

language/en-GB/en-GB.plg_vmcustom_buyer_assign_group.sys.ini

-; Virtuemart! Project
-; Copyright (C)  2013 Open Tools, Reinhold Kainhofer
-; License http://www.gnu.org/licenses/gpl.html GNU/GPL, see LICENSE.php
+; Assign VM Customers to Joomla Groups plugin
+; Copyright (C)  2014 Open Tools. All rights reserved.
+; License http://www.gnu.org/licenses/gpl.html GNU/GPL, see LICENSE.txt
 ; Note : All ini files need to be saved as UTF-8 - No BOM
 
 VMCUSTOM_BUYER_GROUP="Add Buyers to Joomla Groups for VirtueMart"