     
     func centerMapOnLocation(location: CLLocation) {
         let regionRadius: CLLocationDistance = 500
-        let coordinateRegion = MKCoordinateRegionMakeWithDistance(location.coordinate,
-            regionRadius * 2.0, regionRadius * 2.0)
+        let coordinateRegion = MKCoordinateRegionMakeWithDistance(location.coordinate,regionRadius * 2.0, regionRadius * 2.0)
         mapView.setRegion(coordinateRegion, animated: true)
     }
     

        rotateMenuButton(menuExpanded)
        if menuExpanded == false {
            showButtons()
        }
        else {
            hideButtons()
        }
        menuExpanded = !menuExpanded
    }
    

            rotateAnimation.duration = 0.30
            menuButton.layer.addAnimation(rotateAnimation, forKey: nil)
            menuButton.transform = CGAffineTransformMakeRotation(CGFloat(M_PI + M_PI_4))
        } else {
            let rotateAnimation = CABasicAnimation(keyPath: "transform.rotation")
            rotateAnimation.fromValue = CGFloat(M_PI + M_PI_4)
            rotateAnimation.toValue = 0.0
