* Sideports a couple of init unit tests from Neb.
* Trying to unfuck initialize logic.
* Removing del()s.
* Adjusting return values to Initialize().
* Moving some dangerous object logic from obj onto the two types that use it.
* Rolling back some init changes and commenting out initialized atom unit test.
* this comment formatting is a minor war crime
* Removed sleep() from signaler circuit Initialize().
* Additional Init fixes post-rebase.
* Uncomments subsystem test since that's passing.
Adds a HUD for observers
Adds a HUD for rigs and mechs
Adds up/down buttons for AI hud
Add more tg style alerts
Fix some bugs with the tg alerts
Improve icon_states usage by caching it
Redo how respawning works, add a button to ghost hud for it
