bumped Symfony version to 2.3.20

Author: fabpot

Kernel.php

@@ -59,12 +59,12 @@ abstract class Kernel implements KernelInterface, TerminableInterface
     protected $startTime;
     protected $loadClassCache;
 
-    const VERSION         = '2.3.19';
-    const VERSION_ID      = '20319';
+    const VERSION         = '2.3.20-DEV';
+    const VERSION_ID      = '20320';
     const MAJOR_VERSION   = '2';
     const MINOR_VERSION   = '3';
-    const RELEASE_VERSION = '19';
-    const EXTRA_VERSION   = '';
+    const RELEASE_VERSION = '20';
+    const EXTRA_VERSION   = 'DEV';
 
     /**
      * Constructor.