- Moved setting a mob's chase/attack states from the mob_ai to unit_attack and unit_walktobl.
- Cleaned the change-target/cast-sensor code to account for the new mob modes.
- Cleaned up a bit the mob ai sub hard function.
- Made the monster_active_enable config setting take effect on mob load.
- Updated the doc explaining mob modes.
git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@9422 54d463be-8e91-2dee-dedb-b68131a5f0ec
5036e3591a