fixing version number

Author: edickie

setup.py

@@ -9,7 +9,7 @@
 
 setup(
     name='ciftify',
-    version='2.2.1',
+    version='2.2.0',
     description='The tools of the Human Connectome Project (HCP) '\
             'adapted for working with non-HCP datasets',
     long_description=long_description,