updated bundle deps to 2.3

Author: fabpot

composer.json

@@ -13,11 +13,11 @@
         "doctrine/doctrine-bundle": "1.2.*",
         "twig/extensions": "1.0.*",
         "symfony/assetic-bundle": "2.1.*",
-        "symfony/swiftmailer-bundle": "2.2.*",
-        "symfony/monolog-bundle": "2.2.*",
-        "sensio/distribution-bundle": "2.2.*",
-        "sensio/framework-extra-bundle": "2.2.*",
-        "sensio/generator-bundle": "2.2.*",
+        "symfony/swiftmailer-bundle": "2.3.*",
+        "symfony/monolog-bundle": "2.3.*",
+        "sensio/distribution-bundle": "2.3.*",
+        "sensio/framework-extra-bundle": "2.3.*",
+        "sensio/generator-bundle": "2.3.*",
         "incenteev/composer-parameter-handler": "~2.0"
     },
     "scripts": {