add cythoned source and setup script.

python/msgpack

@@ -0,0 +1 @@
+../msgpack

python/setup.py

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+from distutils.core import setup, Extension
+
+version = '0.0.1'
+
+msgpack_mod = Extension('msgpack', sources=['msgpack.c'])
+
+desc = 'MessagePack serializer/desirializer.'
+long_desc = desc + """
+
+Python binding of MessagePack_.
+
+This package is under development.
+
+.. _MessagePack: http://msgpack.sourceforge.jp/
+
+What's MessagePack? (from http://msgpack.sourceforge.jp/)
+
+ MessagePack is a binary-based efficient data interchange format that is
+ focused on high performance. It is like JSON, but very fast and small.
+"""
+
+setup(name='msgpack',
+      author='Naoki INADA',
+      author_email='songofacandy@gmail.com',
+      version=version,
+      ext_modules=[msgpack_mod],
+      description='The MessagePack serializer/desirializer.',
+      long_description=long_desc,
+      )