more socket hub actor abstraction
fix rendering of system lobby messages
tweak tournament uid timeouts
fix game metadata
introduce ActorLazyRef
Revert "introduce ActorLazyRef"

This reverts commit 19ef8bc157f78aa556306624b86dae316a921ad7.
attempt at using akka.ActorSelection, but does not support ask pattern
Revert "attempt at using akka.ActorSelection, but does not support ask pattern"

This reverts commit 9ccc8c253311c903597ad4809863a5e3b12dfc8a.
Revert "Revert "introduce ActorLazyRef""

This reverts commit 1c9789366be69253f2d5a5eed29953ae6b1852bc.
implement actor lazy references