Game server: implemented character name changes (note: NPC script must call SendNameChange() to show the dialog). Refs #233.
Game server: re-enabled chance on item procs.
Game server/skill system: fixed a typo which caused the "No Potion" debuff to break all healing skills (instead of all healing skills that required an item). Also fixed healing skills that required items (i.e. "Laying of hands").
Game server: implemented support for cospre bonuses: +max weight, +coin%, +XP%, +NP. Also implemented BUFF_TYPE_LOYALTY_AMOUNT; refs #220.