Add a copyright header to libdeltacloud.h
Add a copyright header to libdeltacloud.h

Signed-off-by: Chris Lalancette <60b62644009db6b194cc0445b64e9b27bb26433a@redhat.com>

ike-dai/libdeltacloud-for-cloudmodule,ike-dai/libdeltacloud-for-cloudmodule