renaming project, halo -> ray (#95)

lib/python/setup.py

@@ -3,15 +3,15 @@ import sys
 from setuptools import setup, Extension, find_packages
 import setuptools
 
-# because of relative paths, this must be run from inside halo/lib/python/
+# because of relative paths, this must be run from inside ray/lib/python/
 
 setup(
-  name = "halo",
+  name = "ray",
   version = "0.1.dev0",
   use_2to3=True,
   packages=find_packages(),
   package_data = {
-    "halo": ["libhalolib.so", "scheduler", "objstore"]
+    "ray": ["libraylib.so", "scheduler", "objstore"]
   },
   zip_safe=False
 )