* [LUA AI] Moved some functions around.

* AIL_TU(), AIL_HP(), and AIL_morale => actorL_*
* [LUA AI] Adjusted scripts.
* [LUA AI] Moved more functions around.

* AIL_isinjured(), AIL_isarmed() and AIL_isdead() => actorL_*
* [LUA AI] Adjusted scripts.
* Typo.