#503 Need support for weapon and armor mastery

Need support for scaling values in armor mitigation and weapon damage based on the mastery low/high values.

we do not have fields for armor mitigation mastery.

MariaDB [eq2emu]> show columns from item_details_armor;
+-----------------+------------------+------+-----+---------+----------------+
| Field           | Type             | Null | Key | Default | Extra          |
+-----------------+------------------+------+-----+---------+----------------+
| id              | int(10) unsigned | NO   | PRI | NULL    | auto_increment |
| item_id         | int(10) unsigned | NO   | UNI | 0       |                |
| mitigation_low  | int(10) unsigned | NO   |     | 0       |                |
| mitigation_high | int(10) unsigned | NO   |     | 0       |                |
| absorb          | smallint(6)      | NO   |     | 0       |                |
| unknown         | int(11)          | NO   |     | 0       |                |
| item_score      | int(11)          | NO   |     | 0       |                |
+-----------------+------------------+------+-----+---------+----------------+

there would be no values to support mastery skill in armor

Damage mastery skill was added in c1e8768769