Update all branch aliases to 1.0

Nyholm · Nyholm · commit 591dc3eede4a · 2017-07-16T20:31:01.000+02:00
diff --git a/composer.json b/composer.json
@@ -50,7 +50,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "0.3-dev"
+            "dev-master": "1.0-dev"
         }
     }
 }
