Bump metaflow version to 2.0.1 in preparation for release (#63)

Release notes -

1. Handle Keyboard interrupts for Batch jobs more gracefully
2. Revamp the `metaflow configure aws` command to address usability
   issues
3. Introduce `metaflow configure [import|export]` to share configurations
4. Fix docker registry parsing logic to handle namespace better
5. Fix typos in tutorials

setup.py

@@ -1,6 +1,6 @@
 from setuptools import setup, find_packages
 
-version = '2.0.0'
+version = '2.0.1'
 
 setup(name='metaflow',
       version=version,