[mt982] Change auraRestrictions condition at CasterAuraStates check
[mt983] Check unlimited channeled spells trying to overwrite each other
[mt984] Vanish hack
[mt985] Disable native check on spell casting and some cleanup.
[mt986] Use pathfinder for check if EFFECT_CHARGE, EFFECT_JUMP2 and SPELL_EFFECT_TELEPORT_UNITS can be casted.