resistances limits for classes

[igroglaz]

add limits for max magic resistance values for different classes, eg: warrior would have max earth resistance 94 amazon max earth 99 etc..

Flags for config:

warrior_fire_max_res warrior_water_max_res warrior_air_max_res warrior_earth_max_res warrior_astral_max_res

amazon_fire_max_res amazon_water_max_res amazon_air_max_res amazon_earth_max_res amazon_astral_max_res

mage_fire_max_res mage_water_max_res mage_air_max_res mage_earth_max_res mage_astral_max_res

witch_fire_max_res witch_water_max_res witch_air_max_res witch_earth_max_res witch_astral_max_res