added maintainer to the authors

Author: bmentges

AUTHORS

@@ -4,5 +4,5 @@ Initial idea (and lots of thanks for letting reuse the Googe Code project):
 Main developer:
     Marc Garcia <http://vaig.be>
 
-Other contributors:
-    Bruno Carvalho <http://brunocarvalho.com> 
+Maintainer:
+    Bruno Carvalho <http://brunocarvalho.com>

README.md

@@ -9,7 +9,13 @@ django-cart is a very simple application that just let you add and remove items
 
 ## Installation
 
-Add 'cart' to your installed apps
+To install this just type:
+
+```
+python setup.py install
+```
+
+After installing it, just add 'cart' to your installed apps and you're good to go.
 
 ## Usage