Added CocoaPods and Carthage compatible tags to the README.

README.md

@@ -1,6 +1,8 @@
 ![Alamofire: Elegant Networking in Swift](https://raw.githubusercontent.com/Alamofire/Alamofire/assets/alamofire.png)
 
 [![Build Status](https://travis-ci.org/Alamofire/Alamofire.svg)](https://travis-ci.org/Alamofire/Alamofire)
+[![Cocoapods Compatible](https://img.shields.io/cocoapods/v/Alamofire.svg)](https://img.shields.io/cocoapods/v/Alamofire.svg)
+[![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)](https://github.com/Carthage/Carthage)
 
 Alamofire is an HTTP networking library written in Swift.