renaming physical to techniques

game/engine/Game.lua

game/engine/HotkeysDisplay.lua

game/modules/tome/class/Actor.lua

game/modules/tome/class/Game.lua

game/modules/tome/data/talents.lua

game/modules/tome/data/talents/misc/npcs.lua

game/modules/tome/data/talents/misc/random.lua

game/modules/tome/data/talents/physical/2hweapon.lua

game/modules/tome/data/talents/physical/combat-training.lua

game/modules/tome/data/talents/physical/dualweapon.lua

game/modules/tome/data/talents/physical/physical.lua

game/modules/tome/data/talents/physical/weapon-training.lua

game/modules/tome/data/talents/physical/weaponshield.lua

ideas/cunning.ods

ideas/technics.ods