Add missing class to urlManagerFrontend (#467)
Add missing class to urlManagerFrontend (#467)

On custom named url managers, the `class` element is required. You will get a `Invalid Configuration` exception without it!
yiisoft/yii2-app-advanced,dmitry-kulikov/yii2-app-advanced,yiijan/yii2-app-advanced,dmitry-kulikov/yii2-app-advanced,yiijan/yii2-app-advanced,githubjeka/yii2-app-advanced,githubjeka/yii2-app-advanced,yiisoft/yii2-app-advanced