[ci skip] Update changelog, version & upgrade instructions
diff --git a/system/core/CodeIgniter.php b/system/core/CodeIgniter.php
index 8cea813..5080dc6 100644
--- a/system/core/CodeIgniter.php
+++ b/system/core/CodeIgniter.php
@@ -55,7 +55,7 @@
  * @var	string
  *
  */
-	define('CI_VERSION', '3.0.3-dev');
+	define('CI_VERSION', '3.0.3');
 
 /*
  * ------------------------------------------------------