Modify setup file (#486)

Author: awjuliani

python/setup.py

@@ -7,13 +7,13 @@
     required = f.read().splitlines()
 
 setup(name='unityagents',
-      version='0.2.0',
+      version='0.3.0',
       description='Unity Machine Learning Agents',
       license='Apache License 2.0',
       author='Unity Technologies',
       author_email='[email protected]',
       url='https://github.com/Unity-Technologies/ml-agents',
-      packages=find_packages(exclude = ['ppo']),
+      packages=find_packages(),
       install_requires = required,
       long_description= ("Unity Machine Learning Agents allows researchers and developers "
        "to transform games and simulations created using the Unity Editor into environments "