Next version should be 1.2.0

We've extended the API a bit

Change-Id: I96a00f1106bbac8948dfd318984f1b1a09485fb2
Reviewed-on: http://review.couchbase.org/29204
Reviewed-by: Trond Norbye <trond.norbye@gmail.com>
Tested-by: Trond Norbye <trond.norbye@gmail.com>