Fix incorrect copyright

Copy paste when drivers were moved out of san.py carried
over the copyright that was included in that file.

Remove that and update.

Change-Id: I38315009a41b9a868c674f63ebf449a78642b2a4
Fix typos

Fix servcie -> service typo in test code

Fix typo: "metedata" -> "metadata" typo in
Glance metadata database migration code error message.

Change-Id: I21f4539b7dedeaed6b2e6c3b34803d1b996ce79c
Merge "Fix typos"