Prepare for 3.1.0 release
diff --git a/system/core/CodeIgniter.php b/system/core/CodeIgniter.php
index aef0d3a..2525eda 100644
--- a/system/core/CodeIgniter.php
+++ b/system/core/CodeIgniter.php
@@ -55,7 +55,7 @@
  * @var	string
  *
  */
-	define('CI_VERSION', '3.0.7-dev');
+	define('CI_VERSION', '3.1.0');
 
 /*
  * ------------------------------------------------------