Added a changelog

Updated podspec

Author: kcharwood

.gitignore

@@ -4,7 +4,7 @@
 # Xcode
 #
 # gitignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore
-
+.DS_Store
 ## Build generated
 build/
 DerivedData

AFOAuth2Manager.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name     = 'AFOAuth2Manager'
-  s.version  = '2.2.0'
+  s.version  = '2.2.1'
   s.license  = 'MIT'
   s.summary  = 'AFNetworking Extension for OAuth 2 Authentication.'
   s.homepage = 'https://github.com/AFNetworking/AFOAuth2Manager'

CHANGELOG.md

@@ -0,0 +1,17 @@
+#Change Log
+All notable changes to this project will be documented in this file.
+`AFNetworking` adheres to [Semantic Versioning](http://semver.org/).
+
+---
+
+## [2.2.1](https://github.com/AFNetworking/AFOAuth2Manager/releases/tag/2.2.1) (2015-10-28)
+Released on 2015-10-28. All issues associated with this milestone can be found using this [filter](https://github.com/AFNetworking/AFOAuth2Manager/milestones/2.2.1).
+	
+####Fixed
+
+* Fixed an issue that prevented `AFOAuth2Manager` from being used with CocoaPods when using `use_framework!`
+	* Fixed by [juanuribeo13](https://github.com/juanuribeo13) in [#100](https://github.com/AFNetworking/AFOAuth2Manager/pull/100).
+* Fixed an issue debug information was being logged to the console.
+	* Fixed by [Sven Münnich](https://github.com/svenmuennich) in [#99](https://github.com/AFNetworking/AFOAuth2Manager/pull/99).
+* Fixed an issue where tests would randomly fail due to mocked objects not being cleaned up.
+	* Fixed by [Pritesh Shah](https://github.com/priteshshah1983) in [#96](https://github.com/AFNetworking/AFOAuth2Manager/pull/96).