[0642] MC - Creature's stats

* updated health and armor values that did not match the Bestiary
* updated damage output that did not match the Bestiary (-> trash does more, bosses less melee damage)
* updated missing resistances (-> some mobs are resistant to fire, and vulnerable to frost damage)
* updated a few MovementTypes (having no effect ingame)
* updated the minimum level of Lava Spawns and Sons of Flame
* updated a few spawn timers, matching the guides back from 2005 now.