Improved spells tooltips

game/engines/default/engine/interface/ActorTalents.lua

game/engines/default/engine/interface/PlayerHotkeys.lua

game/modules/tome/class/Actor.lua

game/modules/tome/class/Game.lua

game/modules/tome/data/talents/spells/advanced-golemancy.lua

game/modules/tome/data/talents/spells/air.lua

game/modules/tome/data/talents/spells/arcane.lua

game/modules/tome/data/talents/spells/conveyance.lua

game/modules/tome/data/talents/spells/divination.lua

game/modules/tome/data/talents/spells/earth.lua

game/modules/tome/data/talents/spells/enhancement.lua

game/modules/tome/data/talents/spells/explosives.lua

game/modules/tome/data/talents/spells/fire-alchemy.lua

game/modules/tome/data/talents/spells/fire.lua

game/modules/tome/data/talents/spells/golemancy.lua

.../modules/tome/data/talents/techniques/combat-training.lua