Feature improvement: the prisoner system now distinguishes between different types of prisoners (admin, regular, elite). Advanced troops are harder to interrogate, but have a high chance of retaining their rank, should they join yor militia.

git-svn-id: https://ja2svn.dyndns.org/source/ja2/trunk/GameSource/ja2_v1.13@6219 3b4a5df2-a311-0410-b5c6-a8a6f20db521
Fix: monsters did not take damage from fire

git-svn-id: https://ja2svn.dyndns.org/source/ja2/trunk/GameSource/ja2_v1.13@6220 3b4a5df2-a311-0410-b5c6-a8a6f20db521
Fix: faulty lua call broke NPC escort quests

git-svn-id: https://ja2svn.dyndns.org/source/ja2/trunk/GameSource/ja2_v1.13@6221 3b4a5df2-a311-0410-b5c6-a8a6f20db521