updated version to 3.1

Author: fabpot

README.md

@@ -28,7 +28,7 @@ https://github.com/silexphp/Silex/blob/master/src/Silex/Provider/TranslationServ
 
 Documentation:
 
-https://symfony.com/doc/3.0/book/translation.html
+https://symfony.com/doc/3.1/book/translation.html
 
 You can run the unit tests with the following command:
 

composer.json

@@ -42,7 +42,7 @@
     "minimum-stability": "dev",
     "extra": {
         "branch-alias": {
-            "dev-master": "3.0-dev"
+            "dev-master": "3.1-dev"
         }
     }
 }