added minimum-stability and branch-alias

Author: saimaz

composer.json

@@ -18,7 +18,7 @@
         "doctrine/cache": "~1.4",
         "monolog/monolog": "~1.10",
         "elasticsearch/elasticsearch": "^2.1.3",
-        "ongr/elasticsearch-dsl": "dev-master"
+        "ongr/elasticsearch-dsl": "~2.0"
     },
     "require-dev": {
         "mikey179/vfsStream": "~1.4",
@@ -29,5 +29,11 @@
     "autoload": {
         "psr-4": { "ONGR\\ElasticsearchBundle\\": "" },
         "exclude-from-classmap": ["/Tests/", "/Test/"]
+    },
+    "minimum-stability": "dev",
+    "extra": {
+        "branch-alias": {
+            "dev-master": "1.0-dev"
+        }
     }
 }