Début de la branche 1.x.

composer.json

@@ -40,7 +40,7 @@
         "symfony/assetic-bundle": "^2.3",
         "symfony/intl": "^3.3",
         "symfony/monolog-bundle": "^3.1.0",
-        "symfony/symfony": "^3.0",
+        "symfony/symfony": ">=3.0 <3.4",
         "twig/extensions": "^1.0",
         "twig/twig": "^1.0||^2.0",
         "white-october/pagerfanta-bundle": "~1.0",
@@ -53,11 +53,6 @@
     "config": {
         "sort-packages": true
     },
-    "extra": {
-        "branch-alias": {
-            "dev-master": "1.x-dev"
-        }
-    },
     "archive": {
         "exclude": [
             "vendor",