make the master 2.3.x-dev branch

composer.json

@@ -17,16 +17,16 @@
         }
     ],
     "require": {
-        "symfony/http-foundation": "~2.2",
-        "symfony/form": "~2.2",
-        "symfony/validator": "~2.2",
-        "symfony/security-bundle": "~2.2",
-        "symfony/routing": "~2.2",
-        "symfony/config": "~2.2",
-        "symfony/console": "~2.2",
-        "symfony/twig-bridge": "~2.2",
-        "symfony/class-loader":"~2.2",
-        "sensio/generator-bundle": "~2.2",
+        "symfony/http-foundation": "~2.3",
+        "symfony/form": "~2.3",
+        "symfony/validator": "~2.3",
+        "symfony/security-bundle": "~2.3",
+        "symfony/routing": "~2.3",
+        "symfony/config": "~2.3",
+        "symfony/console": "~2.3",
+        "symfony/twig-bridge": "~2.3",
+        "symfony/class-loader":"~2.3",
+        "sensio/generator-bundle": "~2.3",
         "twig/twig": "~1.12",
         "twig/extensions": "~1.0",
         "sonata-project/jquery-bundle": "1.8.*",
@@ -39,7 +39,7 @@
     },
     "require-dev": {
         "jms/translation-bundle": "~1.1",
-        "symfony/yaml": "~2.2",
+        "symfony/yaml": "~2.3",
         "sonata-project/intl-bundle": "~2.1"
     },
     "suggest": {
@@ -51,7 +51,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "2.2.x-dev"
+            "dev-master": "2.3.x-dev"
         }
     }
 }