updated CHANGELOG for 2.3.23

Author: fabpot

CHANGELOG-2.3.md

@@ -7,6 +7,16 @@ in 2.3 minor versions.
 To get the diff for a specific change, go to https://github.com/symfony/symfony/commit/XXX where XXX is the change hash
 To get the diff between two versions, go to https://github.com/symfony/symfony/compare/v2.3.0...v2.3.1
 
+* 2.3.23 (2014-12-03)
+
+ * bug #12811 Configure firewall's kernel exception listener with configured entry point or a default entry point (rjkip)
+ * bug #12784 [DependencyInjection] make paths relative to __DIR__ in the generated container (nicolas-grekas)
+ * bug #12716 [ClassLoader] define constant only if it wasn't defined before (xabbuh)
+ * bug #12553 [Debug] fix error message on double exception (nicolas-grekas)
+ * bug #12550 [FrameworkBundle] backport #12489 (xabbuh)
+ * bug #12570 Fix initialized() with aliased services (Daniel Wehner)
+ * bug #12137 [FrameworkBundle] cache:clear command fills *.php.meta files with wrong data (Strate)
+
 * 2.3.22 (2014-11-20)
 
  * bug #12525 [Bundle][FrameworkBundle] be smarter when guessing the document root (xabbuh)