Merge pull request googleapis#2911 from dhermes/cut-datastore-0.22.1

Cutting release 0.22.1 of datastore.

Author: dhermes

datastore/setup.py

@@ -57,7 +57,7 @@
 
 setup(
     name='google-cloud-datastore',
-    version='0.22.0',
+    version='0.22.1',
     description='Python Client for Google Cloud Datastore',
     long_description=README,
     namespace_packages=[