Added empty food menu notice, code for checking the app version, possible fix for jumpy CollectionView behaviour, TODO: check on real device

AvH Plan/PlanViewController.swift

@@ -28,6 +28,11 @@ class PlanViewController : UICollectionViewController, UICollectionViewDelegateM
         collectionView = UICollectionView(frame: .zero, collectionViewLayout: layout)
     }
     
+    override func loadView() {
+        super.loadView()
+        self.collectionView.isPrefetchingEnabled = false
+    }
+    
     override func viewWillAppear(_ animated: Bool) {
         
         if !self.prefs.bool(forKey: "logged_in") {
@@ -96,7 +101,6 @@ class PlanViewController : UICollectionViewController, UICollectionViewDelegateM
         
         self.collectionView.contentInsetAdjustmentBehavior = .always
         self.df.setTabBarBadge(for: self.tabBarController?.tabBar.items)
-        self.collectionView.isPrefetchingEnabled = false
     }
     
     func getViewType() -> String {