prepared the 1.3.0-RC1 release

CHANGELOG

@@ -1,4 +1,4 @@
-* 1.3.0
+* 1.3.0-RC1 (2011-10-04)
 
  * added an optimization for the parent() function
  * added cache reloading when auto_reload is true and an extension has been modified

lib/Twig/Environment.php

@@ -17,7 +17,7 @@
  */
 class Twig_Environment
 {
-    const VERSION = '1.3.0-DEV';
+    const VERSION = '1.3.0-RC1';
 
     protected $charset;
     protected $loader;