[TASK] Version 3.0.0 supporting multiclient, adding upgrade wizard, code cleanups

composer.json

@@ -6,7 +6,7 @@
 	"license": [
 		"GPL-2.0+"
 	],
-	"version": "2.1.2",
+	"version": "3.0.0",
 	"repositories": [
 		{
 			"type": "composer",

ext_emconf.php

@@ -8,7 +8,7 @@ $EM_CONF['sg_mail'] = array (
 	'title' => 'Mail Templates',
 	'description' => 'Mail Templates',
 	'category' => 'module',
-	'version' => '2.1.2',
+	'version' => '3.0.0',
 	'state' => 'stable',
 	'uploadfolder' => false,
 	'createDirs' => '',