Updated openstack/openstack
Project: openstack/cinder  3167f458515443e81339743a29985bba2e7e7692
null
Removed copyright from empty files

According to policy change in HACKING:
http://docs.openstack.org/developer/hacking/#openstack-licensing
empty files should no longer contain copyright notices.

Change-Id: I031098958938e2301986949ad4659c5a7eb41561
Partial-Bug: #1262424