HealArmy potential problem

[jzy-chitong56]

in HealArmy , check GetArmyHealthState not distinguish unit in unit_healing group

and ARMY_TRACK - town_threatened set a home loc -- SetCaptainHome , maybe not start loc

when HealArmy run call CaptainGoHome() let army go home loc , but unit_healing group unit now always in start loc , This may cause distortion and ineffective treatment commands over long distances

Perhaps a reset is needed here to truly start loc or check captain_home