[fix] new logo

Author: yawnt

README.md

@@ -1,5 +1,5 @@
 <p align="center">
-  <img src="https://raw.github.com/yawnt/caronte/master/doc/logo.png" alt="logo"/>
+  <a href="http://dribbble.com/diegopq"><img src="https://raw.github.com/yawnt/caronte/master/doc/logo.png" alt="Logo by DiegoPQ"/></a>
 </p>
 
 Caronte
@@ -59,6 +59,10 @@ In addition, every stage emits a corresponding event so introspection during the
 $ npm test
 ```
 
+### Logo
+
+Logo created by [Diego Pasquali](http://dribbble.com/diegopq)
+
 ### License
 
 >The MIT License (MIT)