UI: small TODO comment
UI: only set focus on entity container if showing for first time

Focus will not be set during refresh operations, for example
when container is being refereshed multiple times during
entity tracking callbacks
UI: refresh page entity in entity container

Ensures entity container is operating on latest copy
of entity
UI: fix movement callback to properly update movement strategy

Incorrectly setting was causing weird behaviour including
entity artifacts appearing where they should not
Motel: Fix node disconnection removing all callbacks

This patch fixes a situation where client node disconnections
result in all location tracking callbacks being removed for
all users.

Adds centralized helpers to omega server dsl, while motel rjr
functionality is verified specs should be split out to test
those independantly.

Same patch also needs to be applied to other subsystems which
employ the omega entity callback interface.