Added Fire Damage Support

Adds fire damage to the linked skill(s).

Gem Levelling

Level	Required Level	Required Strength	Mana Cost Multiplier	% of Phys Damage Added as Fire Damage
1	15	22	130%	30%
2
3
4
5
6
7
8
9
10
11
12	49	63	130%	41%
13
14
15	55	70	130%	44%
16
17
18
19
20

Gem Quality

Each percentage of quality adds X.