Bump HAProxy to 1.6.6, Lua to 5.3.3. (#252)
Bump HAProxy to 1.6.6, Lua to 5.3.3. (#252)


matt-deboer/marathon-lb,vixns/marathon-lb,vixns/marathon-lb,mesosphere/marathon-lb,vixns/marathon-lb,matt-deboer/marathon-lb,mesosphere/marathon-lb,mesosphere/marathon-lb,matt-deboer/marathon-lb