simplify search setup, add loading spinner

Classes/Section Controllers/LoadMore/LoadMoreSectionController.swift

@@ -0,0 +1,40 @@
+//
+//  LoadMoreSectionController.swift
+//  Freetime
+//
+//  Created by Sherlock, James on 28/07/2017.
+//  Copyright © 2017 Ryan Nystrom. All rights reserved.
+//
+
+import IGListKit
+
+protocol LoadMoreSectionControllerDelegate: class {
+    func didSelect(sectionController: LoadMoreSectionController)
+}
+
+final class LoadMoreSectionController: ListSectionController {
+
+    private weak var delegate: LoadMoreSectionControllerDelegate? = nil
+    
+    init(delegate: LoadMoreSectionControllerDelegate) {
+        self.delegate = delegate
+    }
+    
+    override func sizeForItem(at index: Int) -> CGSize {
+        guard let width = collectionContext?.containerSize.width else { fatalError("Missing context") }
+        return CGSize(width: width, height: Styles.Sizes.tableCellHeight)
+    }
+    
+    override func cellForItem(at index: Int) -> UICollectionViewCell {
+        guard let cell = collectionContext?.dequeueReusableCell(of: LoadMoreCell.self, for: self, at: index) else {
+            fatalError("Missing context, or cell is wrong type")
+        }
+        
+        return cell
+    }
+    
+    override func didSelectItem(at index: Int) {
+        delegate?.didSelect(sectionController: self)
+    }
+
+}