CBD-958:  cbanalyze-core is now in bin/tools

Change-Id: I87d2c3551c24278e84feed29163b02412b063e3a
Reviewed-on: http://review.couchbase.org/27788
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>