Merge pull request #64 from ArtSabintsev/improvement/version-checking

Minor changes after PR 63

CONTRIBUTORS.md

@@ -18,6 +18,7 @@
 - [Justus Kandzi](https://github.com/jkandzi) for [Pull Request #108 (Harpy)](https://github.com/ArtSabintsev/Harpy/pull/108)
 - [Maxim-Inv](https://github.com/Maxim-Inv) for [Pull Request #40](https://github.com/ArtSabintsev/Siren/pull/40)
 - [Dirk van Oosterbosch](https://github.com/irlabs) for [Pull Request #54](https://github.com/ArtSabintsev/Siren/pull/54) and [Pull Request #55](https://github.com/ArtSabintsev/Siren/pull/55)
+- [pavankataria](https://github.com/pavankataria) for [Pull Request #63](https://github.com/ArtSabintsev/Siren/pull/63)
 
 ### Harpy Project Contributors
 This repo is a Swift language port of [Harpy](http://github.com/ArtSabintsev/Harpy). We couldn't have built this port without acknowledging the following developers who were instrumental in getting Harpy to v3.2.1, the version of Harpy that Siren was based on.

Siren.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "Siren"
-  s.version      = "0.8.0"
+  s.version      = "0.8.1"
   s.summary      = "Notify users when a new version of your iOS app is available, and prompt them with the App Store link.."
 
   s.description  = <<-DESC

Siren/Siren.swift

@@ -1,4 +1,4 @@
-=//
+//
 //  Siren.swift
 //  Siren
 //
@@ -259,13 +259,7 @@ public final class Siren: NSObject {
     private var updaterWindow: UIWindow?
 
     // Initialization
-    public class var sharedInstance: Siren {
-        struct Singleton {
-            static let instance = Siren()
-        }
-
-        return Singleton.instance
-    }
+    public static let sharedInstance = Siren()
 
     override init() {
         lastVersionCheckPerformedOnDate = NSUserDefaults.standardUserDefaults().objectForKey(SirenUserDefaults.StoredVersionCheckDate.rawValue) as? NSDate