Updated documentation copyright and metadata.

Change-Id: I9d84ddb248a3ab6ea2dd290b4ec00961b916db84
Reviewed-on: http://review.couchbase.org/26012
Reviewed-by: Mordechai Nunberg <mnunberg@haskalah.org>
Tested-by: Mordechai Nunberg <mnunberg@haskalah.org>