add an AUTHORS file and update setup.py

AUTHORS

@@ -0,0 +1,2 @@
+Romain Garrigues <romain.garrigues.cs@gmail.com>
+Simon de Haan <simon@praekeltfoundation.org>

setup.py

@@ -1,19 +1,21 @@
 from setuptools import setup, find_packages
 
+
 def listify(filename):
     return [line for line in open(filename, 'r').read().split('\n') if line]
 
+
 setup(
-    name = "django-dirtyfields",
-    version = "0.7",
-    url = 'http://github.com/smn/django-dirtyfields',
-    license = 'BSD',
-    description = "Tracking dirty fields on a Django model instance (actively maintained)",
-    long_description = open('README.rst','r').read(),
-    author = 'Simon de Haan',
-    packages = find_packages('src'),
-    package_dir = {'': 'src'},
-    install_requires = listify('requirements.txt'),
-    classifiers = listify('CLASSIFIERS.txt')
+    name="django-dirtyfields",
+    version="0.7",
+    url='http://github.com/romgar/django-dirtyfields',
+    license='BSD',
+    description=("Tracking dirty fields on a Django model instance "
+                 "(actively maintained)"),
+    long_description=open('README.rst', 'r').read(),
+    author='Romain Garrigues',
+    packages=find_packages('src'),
+    package_dir={'': 'src'},
+    install_requires=listify('requirements.txt'),
+    classifiers=listify('CLASSIFIERS.txt')
 )
-