[Update] Bump the patch version number for the release

Author: dev-aozhimin

AAAlertController.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = 'AAAlertController'
-  s.version          = '0.2.0'
+  s.version          = '0.2.1'
   s.summary          = 'AAAlertController is extension of the UIAlertController, provide custom styles and animations Edit
 Add topics'
   s.description      = <<-DESC

CHANGELOG.md

@@ -1,4 +1,11 @@
-## [0.2.0 - Action sheet style](https://github.com/aozhimin/AAAlertController/releases/tag/0.1.0) (2017-04-18)
+## [0.2.0 - Action sheet style](https://github.com/aozhimin/AAAlertController/releases/tag/0.2.1) (2017-05-11)
+
+#### Fix
+* repalce UIDeviceOrientationDidChangeNotification to UIApplicationDidChangeStatusBarOrientationNotification
+
+---
+
+## [0.2.0 - Action sheet style](https://github.com/aozhimin/AAAlertController/releases/tag/0.2.0) (2017-04-18)
 
 #### Add
 * action sheet display style.