Changed rakefile to output quietly while xbuilding
Changed rakefile to output quietly while xbuilding

xamarin-automation-service/app-crm,xamarin/app-crm,xamarin-automation-service/app-crm,xamarin/app-crm,jsauvexamarin/app-crm,qipengwu/app-crm,qipengwu/app-crm,qipengwu/app-crm,jsauvexamarin/app-crm,xamarin/app-crm,qipengwu/app-crm,xamarin-automation-service/app-crm,xamarin-automation-service/app-crm,jsauvexamarin/app-crm,xamarin/app-crm