fix setup.py for new dir structure

Author: geohot

setup.py

@@ -35,13 +35,14 @@ def find_version(*file_paths):
 
 setup(
   name='pandacan',
-  version=find_version("panda", "__init__.py"),
+  version=find_version("python", "__init__.py"),
   url='https://github.com/commaai/panda',
   author='comma.ai',
   author_email='',
   packages=[
     'panda',
     ],
+  package_dir = {'panda': 'python'},
   platforms='any',
   license='MIT',
   install_requires=[