Reorganized ViewControllers (split out UIViews and UITableViewCells into their own classes)

All swiftlint warnings except one fixed up

Signed-off-by: Eric Kuck <eric@bluelinelabs.com>

WireGuard/WireGuard/ZipArchive/ZipArchive.swift

@@ -8,7 +8,7 @@ enum ZipArchiveError: WireGuardAppError {
     case cantOpenOutputZipFileForWriting
     case badArchive
 
-    func alertText() -> AlertText {
+    var alertText: AlertText {
         switch self {
         case .cantOpenInputZipFile:
             return ("Unable to read zip archive", "The zip archive could not be read.")

WireGuard/WireGuard/ZipArchive/ZipExporter.swift

@@ -6,11 +6,8 @@ import UIKit
 enum ZipExporterError: WireGuardAppError {
     case noTunnelsToExport
 
-    func alertText() -> AlertText {
-        switch self {
-        case .noTunnelsToExport:
-            return ("Nothing to export", "There are no tunnels to export")
-        }
+    var alertText: AlertText {
+        return ("Nothing to export", "There are no tunnels to export")
     }
 }
 

WireGuard/WireGuard/ZipArchive/ZipImporter.swift

@@ -6,11 +6,8 @@ import UIKit
 enum ZipImporterError: WireGuardAppError {
     case noTunnelsInZipArchive
 
-    func alertText() -> AlertText {
-        switch self {
-        case .noTunnelsInZipArchive:
-            return ("No tunnels in zip archive", "No .conf tunnel files were found inside the zip archive.")
-        }
+    var alertText: AlertText {
+        return ("No tunnels in zip archive", "No .conf tunnel files were found inside the zip archive.")
     }
 }