bconf: connect handler should call timeout handler on timeout

Change-Id: I74f157de1701ec725b3c1eb5c224d03e34f27602
Reviewed-on: http://review.couchbase.org/29743
Reviewed-by: Sergey Avseyev <sergey.avseyev@gmail.com>
Tested-by: Sergey Avseyev <sergey.avseyev@gmail.com>