Merge pull request composer#388 from andygrunwald/patch-1

Fix unnecessary array in JSON schema

Author: alcohol

res/satis-schema.json

@@ -81,7 +81,7 @@
             "additionalProperties": true
         },
         "minimum-stability": {
-            "type": ["string"],
+            "type": "string",
             "description": "The minimum stability the packages must have to be install-able. Possible values are: dev, alpha, beta, RC, stable.",
             "enum": [ "dev", "alpha", "beta", "rc", "RC", "stable" ]
         },