Prep storage-1.2.0 release. (googleapis#3540)

Author: tseaver

storage/setup.py

@@ -51,15 +51,15 @@
 
 
 REQUIREMENTS = [
-    'google-cloud-core >= 0.24.1, < 0.25dev',
+    'google-cloud-core >= 0.25.0, < 0.26dev',
     'google-auth >= 1.0.0',
     'google-resumable-media >= 0.1.1',
     'requests >= 2.0.0',
 ]
 
 setup(
     name='google-cloud-storage',
-    version='1.1.1',
+    version='1.2.0',
     description='Python Client for Google Cloud Storage',
     long_description=README,
     namespace_packages=[