Merge branch 'hotfix/3432' into develop

Close zendframework/zendframework#3432

composer.json

@@ -1,10 +1,10 @@
 {
     "name": "zendframework/zend-permissions-rbac",
-    "description": "Zend\\Permissions\\Rbac component",
+    "description": "provides a role-based access control management",
     "license": "BSD-3-Clause",
     "keywords": [
         "zf2",
-        "permissions-rbac"
+        "Rbac"
     ],
     "homepage": "https://github.com/zendframework/zend-permissions-rbac",
     "autoload": {
@@ -13,22 +13,22 @@
         }
     },
     "require": {
-        "php": ">=5.3.23"
+        "php": ">=5.3.3"
     },
     "extra": {
         "branch-alias": {
             "dev-master": "2.4-dev",
             "dev-develop": "2.5-dev"
         }
     },
-    "require-dev": {
-        "fabpot/php-cs-fixer": "1.7.*",
-        "satooshi/php-coveralls": "dev-master",
-        "phpunit/PHPUnit": "~4.0"
-    },
     "autoload-dev": {
         "psr-4": {
             "ZendTest\\Permissions\\Rbac\\": "test/"
         }
+    },
+    "require-dev": {
+        "fabpot/php-cs-fixer": "1.7.*",
+        "satooshi/php-coveralls": "dev-master",
+        "phpunit/PHPUnit": "~4.0"
     }
 }

src/AbstractRole.php

@@ -10,8 +10,6 @@
 
 namespace Zend\Permissions\Rbac;
 
-use RecursiveIteratorIterator;
-
 /**
  * @category   Zend
  * @package    Zend_Permissions