hellfire unlock extra quest, classes and lan udp file

the cost of elixirs is reduced to 1000 gold (from 5000), and now vitality elixir is being sold too. the most annoying shrines appear only in the first dungeon level in single player, while reveal whole map shrine appears only in multiplayer. items got boosted, when the same tier could drop an effect with a variance then the maximum value is forced. some prefixes and suffixes now add their power gradually in a linear way, each tier adds the same quantity of power compared to previous tier single stat boost suffixes got boosted to be comparable in power with the all stat boost suffix spell costs are reduced, spells are divided into tiers, the higher the tier the higher the mana cost. reading just 1 spell book guarantee minimum spell cost for the sorceror, every other class needs 2, while warrior and barbarian needs 3 classes stats are improved and the total stat points are the same for every class, including the total stat cap. barbarian favor str, vit bard str, dex, mag !LOW vit