NOJIRA fix composer install with new dependency

php-http/discovery#213

Author: kehh

composer.json

@@ -50,6 +50,9 @@
     "voku/stop-words": "^2.0"
   },
   "config": {
-  	"discard-changes": true
+  	"discard-changes": true,
+    "allow-plugins": {
+      "php-http/discovery": false
+    }
   }
 }