set minimum-stability to stable

pcr-coding · pcr-coding · commit a6af8e3335d3 · 2014-07-15T16:08:17.000+02:00
diff --git a/composer.json b/composer.json
@@ -15,5 +15,6 @@
     },
     "autoload": {
         "files": ["qrlib.php"]
-    }
+    },
+    "minimum-stability": "stable"
 }
