Add a "setup.py" for pip-installing from GitHub.

You can now install Copycat into your Python virtualenv without even
checking out this repository! Just run this command:

    pip install -e git+git://github.com/Quuxplusone/co.py.cat.git#egg=copycat

To check out a specific branch,

    pip install -e git+git://github.com/Quuxplusone/co.py.cat.git@branch#egg=copycat

setup.py

@@ -0,0 +1,23 @@
+#!/usr/bin/env python
+
+from setuptools import setup
+
+readme = open('README.md').read()
+requirements = [l.strip() for l in open('requirements.txt').readlines()]
+
+setup(
+    name='copycat',
+    version='0.0.1',
+    packages=['copycat'],
+    install_requires=[l.strip() for l in open('requirements.txt').readlines()],
+    package_data={'': ['LICENSE']},
+
+    # metadata for upload to PyPI
+    author="The Fluid Analogies Research Group, J Alan Brogan, and Arthur O'Dwyer",
+    author_email='arthur.j.odwyer@gmail.com',
+    description="Python implementation of Douglas Hofstadter's Copycat.",
+    license='MIT license',
+    long_description=open('README.md').read(),
+    keywords='ai analogy copycat farg fargitecture hofstadter slipnet',
+    url='https://github.com/Quuxplusone/co.py.cat',
+)