Listen for stale events on seaport

Signed-off-by: Tim Smart <tim@fostle.com>
Update example

Signed-off-by: Tim Smart <tim@fostle.com>
Move haproxy and seaport to devDependencies

We don't actually need them for the library itself.

Signed-off-by: Tim Smart <tim@fostle.com>
Version 0.1.2

Signed-off-by: Tim Smart <tim@fostle.com>