CBD-1381: branching TLM for 3.0.0

Change-Id: I80711f90e48cea976472f6b9342717fd8ab5e50e
Reviewed-on: http://review.couchbase.org/41003
Reviewed-by: Chris Hillery <ceej@couchbase.com>
Tested-by: Chris Hillery <ceej@couchbase.com>