Release 0.0.12

Change-Id: I63c4ff7c058fced4e9346c77ad54bf115807284c
Reviewed-on: http://review.couchbase.org/25861
Reviewed-by: Trond Norbye <trond.norbye@gmail.com>
Tested-by: Trond Norbye <trond.norbye@gmail.com>