use notification_driver
Merge pull request #128 from jsuchome/notification_driver

use notification_driver
Merge pull request #126 from dirkmueller/netapp_cleanup

Port Cinder configuration for NetApp to Havana
Add Masking View setting for EMC

This is needed for VMAX support
(https://bugzilla.novell.com/show_bug.cgi?id=842539)