Weapon Grade Variants for TES V: Skyrim

Adds 6 new variations to each existing non-unique weapon in vanilla Skyrim.
Adds the following weapon grades into the Item Leveled List:

Cracked (-15% atk speed)
Crude (-10% atk speed)
Damaged (-5% atk speed)
Solid (+5% atk speed)
Balanced (+10% atk speed)
Masterwork (+15% atk speed)

Author:  Corrupti0n