composer update

composer.json

@@ -114,7 +114,11 @@
 
     ],
     "config": {
+        "secure-http": false,
         "optimize-autoloader": true,
+	"platform": {
+		    "php": "5.5.9"
+		    },
 	"sort-packages": true
 
     },
@@ -141,8 +145,7 @@
         "incenteev/composer-parameter-handler": "^2.0",
         "jms/serializer-bundle": "^1.1",
         "php-amqplib/rabbitmq-bundle": "^1.12",
-        "phpunit/phpunit": "^4.8",
-        "sensio/distribution-bundle": "^5.0.21",
+        "sensio/distribution-bundle": "^5.0",
         "sensio/framework-extra-bundle": "^3.0.2",
         "sonata-project/admin-bundle": "dev-bf4681",
         "sonata-project/doctrine-orm-admin-bundle": "^3.1",
@@ -157,7 +160,8 @@
     },
     "require-dev": {
         "sensio/generator-bundle": "^3.0",
-        "symfony/phpunit-bridge": "^3.3"
+        "symfony/phpunit-bridge": "^3.3",
+        "phpunit/phpunit": "^4.8"
     },
     "scripts": {
         "workflows-commands": [