FEATURE: move user roles into separate enumeration.

This commit moves list of user roles into separate class (with own namespace), so we can access this data anywhere from application.

app/Http/Controllers/Admin/CreateNewUser.php

@@ -2,6 +2,7 @@
 
 namespace App\Http\Controllers\Admin;
 
+use App\Enumerations\UserRoles;
 use App\Http\Controllers\Controller;
 use App\Http\Requests;
 use App\Http\Requests\CreateNewUserRequest;
@@ -19,11 +20,7 @@ class CreateNewUser extends Controller
     public function getNewUser()
     {
         // define list of roles, this list will be used in template for selecting proper role for user
-        $roles = [
-            User::ROLE_ADMIN   => 'admin/userManagement.role_' . User::ROLE_ADMIN,
-            User::ROLE_EDITOR  => 'admin/userManagement.role_' . User::ROLE_EDITOR,
-            User::ROLE_VISITOR => 'admin/userManagement.role_' . User::ROLE_VISITOR
-        ];
+        $roles = UserRoles::getWithTranslations();
 
         // render view
         return $this->view('admin.userManagement.new', ['roles' => $roles]);