Update composer.json

Author: ZAYEC77

composer.json

@@ -11,9 +11,9 @@
         "yiisoft/yii2-jui": "~2.0.0",
         "mihaildev/yii2-ckeditor": "*",
         "mihaildev/yii2-elfinder": "*",
-        "nullref/yii2-useful": "dev-master",
-        "nullref/yii2-core": "dev-master",
-        "nullref/yii2-admin": "dev-master",
+        "nullref/yii2-useful": ">=0.0.1",
+        "nullref/yii2-core": ">=0.0.1",
+        "nullref/yii2-admin": ">=0.0.1",
         "bower-asset/owl.carousel": "2.*",
         "trntv/yii2-aceeditor": "*"
     },