removed curl from dependencies; updated readme

composer.json

@@ -10,7 +10,6 @@
     ],
     "require": {
         "php": ">=5.4.0",
-		"ext-curl": "*",
         "illuminate/support": "4.2.*@dev",
 		"guzzlehttp/guzzle": "~4.0"
     },

readme.md

@@ -1,10 +1,12 @@
 ## Qualtrics API wrapper for Laravel 4
 
-[![Latest Stable Version](https://poser.pugx.org/morphatic/qualtrics/v/stable.png)](https://packagist.org/packages/morphatic/qualtrics) 
-[![Total Downloads](https://poser.pugx.org/morphatic/qualtrics/downloads.png)](https://packagist.org/packages/morphatic/qualtrics) 
+[![Latest Stable Version](https://poser.pugx.org/morphatic/qualtrics/v/stable.svg)](https://packagist.org/packages/morphatic/qualtrics) 
+[![Total Downloads](https://poser.pugx.org/morphatic/qualtrics/downloads.svg)](https://packagist.org/packages/morphatic/qualtrics) 
+[![Latest Unstable Version](https://poser.pugx.org/morphatic/qualtrics/v/unstable.svg)](https://packagist.org/packages/morphatic/qualtrics) 
 [![Build Status](https://travis-ci.org/morphatic/qualtrics.png?branch=master)](https://travis-ci.org/morphatic/qualtrics) 
 [![Coverage Status](https://coveralls.io/repos/morphatic/qualtrics/badge.png)](https://coveralls.io/r/morphatic/qualtrics)
 [![Dependency Status](https://www.versioneye.com/user/projects/52c8b848ec1375078b0000d1/badge.png)](https://www.versioneye.com/user/projects/52c8b848ec1375078b0000d1)
+[![License](https://poser.pugx.org/morphatic/qualtrics/license.svg)](https://packagist.org/packages/morphatic/qualtrics)
 
 The [Qualtrics REST API](https://survey.qualtrics.com/WRAPI/ControlPanel/docs.php) allows you to query the [Qualtrics](http://www.qualtrics.com) system using a simple URL syntax. All requests are simple GET or POST requests that return XML or JSON. The REST API allows you to interact with any part of the Qualtrics system allowing for full integration with client systems.