Bump version to 0.3.1

CDAlertView.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = 'CDAlertView'
-  s.version          = '0.3.0'
+  s.version          = '0.3.1'
   s.summary          = 'Highly customizable alert/notification/success/error/alarm popup'
   s.description      = <<-DESC
 CDAlertView is highly customizable alert popup written in Swift 3. Usage is similar to UIAlertController.

CDAlertView/Info.plist

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>0.3.0</string>
+	<string>0.3.1</string>
 	<key>CFBundleVersion</key>
 	<string>$(CURRENT_PROJECT_VERSION)</string>
 	<key>NSPrincipalClass</key>

README.md

@@ -1,7 +1,7 @@
 ![CDAlertView: Highly customizable alert popup](https://cloud.githubusercontent.com/assets/1971963/20237496/34d3081c-a8d4-11e6-8907-80b4c248dce0.png)
 
 [![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)](https://github.com/Carthage/Carthage)
-<a href="https://cocoapods.org/pods/CDAlertView"><img src="https://img.shields.io/badge/pod-0.3.0-blue.svg" alt="CocoaPods compatible" /></a>
+<a href="https://cocoapods.org/pods/CDAlertView"><img src="https://img.shields.io/badge/pod-0.3.1-blue.svg" alt="CocoaPods compatible" /></a>
 [![CI Status](http://img.shields.io/travis/candostdagdeviren/CDAlertView.svg?style=flat)](https://travis-ci.org/candostdagdeviren/CDAlertView/)
 <a href="https://developer.apple.com/swift"><img src="https://img.shields.io/badge/swift3-compatible-4BC51D.svg?style=flat" alt="Swift 3 compatible" /></a>
 <img src="https://img.shields.io/badge/platform-iOS-blue.svg?style=flat" alt="Platform iOS" />