Added Fire Damage Support

Adds fire damage to the linked skill(s).

Mana cost multiplier: 130%

Gem Levelling

Level	Required Level	Required Strength	% of Phys Damage Added as Fire Damage	Experience to Level
1	15	22	30%
2	18	26	31%
3			32%
4			33%
5			34%
6			35%
7			36%
8			37%
9	40	52	38%	755049
10	43	56	39%	1426490
11			40%
12	49	63	41%
13			42%
14			43%
15	55	70	44%
16
17
18
19
20

Gem Quality

Each percentage of quality adds X.