add branch alias for 0.15.0 [skip ci]

troosan · web-flow · commit ca29ceb1fa60 · 2017-12-29T21:33:29.000+01:00
diff --git a/composer.json b/composer.json
@@ -77,7 +77,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "0.15.0-dev"
+            "dev-master": "0.15-dev"
         }
     }
 }
