add about page

pass/Controllers/OpenSourceComponentsTableViewController.swift

@@ -0,0 +1,41 @@
+//
+//  OpenSourceComponentsTableViewController.swift
+//  pass
+//
+//  Created by Mingshen Sun on 9/2/2017.
+//  Copyright © 2017 Bob Sun. All rights reserved.
+//
+
+import UIKit
+
+class OpenSourceComponentsTableViewController: BasicStaticTableViewController {
+    let openSourceComponents = [
+        ["PasscodeLock",
+         "https://github.com/zahlz/SwiftPasscodeLock",
+         "https://github.com/zahlz/SwiftPasscodeLock/blob/master/LICENSE.txt"],
+        ["ObjectiveGit",
+         "https://github.com/libgit2/objective-git",
+         "https://github.com/libgit2/objective-git/blob/master/LICENSE"],
+        ["SwiftyUserDefaults",
+         "https://github.com/radex/SwiftyUserDefaults",
+         "https://github.com/radex/SwiftyUserDefaults/blob/master/LICENSE"],
+        ["SVProgressHUD",
+         "https://github.com/SVProgressHUD/SVProgressHUD",
+         "https://github.com/SVProgressHUD/SVProgressHUD/blob/master/LICENSE.txt"],
+        ["Result",
+         "https://github.com/antitypical/Result",
+         "https://github.com/antitypical/Result/blob/master/LICENSE"],
+    ]
+    
+    override func viewDidLoad() {
+        tableData.append([])
+        for item in openSourceComponents {
+            tableData[0].append(
+                [CellDataKey.type: CellDataType.link, CellDataKey.title: item[0], CellDataKey.link: item[1]]
+            )
+        }
+        navigationItemTitle = "Open Source Components"
+        super.viewDidLoad()
+    }
+
+}