Expose Weakness: Reworked: Provides a modest permanent APR bonus.  Melee attack damage nerfed.  Provides a mental buff to the user with bonuses according to what is needed to overcome the target's defenses.

Added a new callback: "callbackOMeleeAttackBonuses" parallel to the existing "Combat:attackTargetWith:attackerBonuses" hook.
Moved "callbackOMeleeAttack" callback to after "Combat:attackTargetWith" hook. (to be consistent with other parallel hooks/callbacks)

Light Armour Training: Defense bonus buffed slightly.  % Bonus Defense removed.  Mobile defense bonus nerfed.

Trained Reactions: Tweaked Scaling of % reduction and Stamina cost for proc.  Proc stamina cost slightly increased but guaranteed to be more efficient at higher talent levels, depending on Defense.