Requiert irstea/theme-bundle 1.5 ou supérieur.

composer.json

@@ -28,7 +28,7 @@
         "symfony/assetic-bundle": "~2.3",
         "symfony/monolog-bundle": "~2.4",
         "sensio/framework-extra-bundle": "~3.0",
-        "irstea/theme-bundle": "~1.4",
+        "irstea/theme-bundle": "~1.5",
         "knplabs/knp-gaufrette-bundle": "0.1.*",
         "rhumsaa/uuid": "~2.8",
         "blueimp/jquery-file-upload": "~9.9",