prepared the 1.28.2 release

CHANGELOG

@@ -1,4 +1,4 @@
-* 1.28.2 (2016-XX-XX)
+* 1.28.2 (2016-11-23)
 
  * fixed precedence between getFoo() and isFoo() in Twig_Template::getAttribute()
  * improved a deprecation message

ext/twig/php_twig.h

@@ -15,7 +15,7 @@
 #ifndef PHP_TWIG_H
 #define PHP_TWIG_H
 
-#define PHP_TWIG_VERSION "1.28.2-DEV"
+#define PHP_TWIG_VERSION "1.28.2"
 
 #include "php.h"
 

lib/Twig/Environment.php

@@ -16,12 +16,12 @@
  */
 class Twig_Environment
 {
-    const VERSION = '1.28.2-DEV';
+    const VERSION = '1.28.2';
     const VERSION_ID = 12802;
     const MAJOR_VERSION = 1;
     const MINOR_VERSION = 28;
     const RELEASE_VERSION = 2;
-    const EXTRA_VERSION = 'DEV';
+    const EXTRA_VERSION = '';
 
     protected $charset;
     protected $loader;