             return UIImage.imageWithColor(FlatOrange())
         case Red:
             return UIImage.imageWithColor(FlatRed())
+        case Green:
+            return UIImage.imageWithColor(FlatGreen())
         }
     }
 }

}

enum Severity {
    case Yellow, Orange, Red
    
    static func image(severity: Severity) -> UIImage {
        switch(severity) {

        Warning(severity: .Orange, column: "Clean Water Education"),
        Warning(severity: .Yellow, column: "Hygenic Facilities")]
    
    let deviceData = [Warning(severity: .Green, column: "Temperature at tents is OK"),
        Warning(severity: .Red, column: "Temperature at sanitaire is high")]
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
