setup.py:

- remove docutils dependancy
- use PIL instead of Pillow (though keep Pillow in the requirements file as PIL
  will fail to install correctly with pip)

setup.py

@@ -4,7 +4,7 @@
 from setuptools import setup
 import sys
 
-requires = ['Pillow', 'jinja2', 'docutils', 'Markdown']
+requires = ['PIL', 'jinja2', 'Markdown']
 if sys.version_info < (2,7):
     requires.append('argparse')