Updated yii  to  2.0.18

Updated yii to 2.0.18

yii (ID : 224) package has been updated to version 2.0.18. YiiFramework helps Web developers build complex applications and deliver them on-time. Yii comes with rich features: MVC, DAO/ActiveRecord, I18N/L10N, caching, authentication and role-based access control, scaffolding, testing, etc. It can reduce your development time significantly. Review, Rate and View Demo of yii here: http://www.softaculous.com/apps/frameworks/yii