Hunter burst needs balance

[Kennie-malganis]

@Kaivax

• Explosive Shot damage increased by 20% in PvP.

@Kaivax

Marksmanship

• Master Marksman talent effectiveness in PvP increased from 7/15% to 12/25%.
• Rapid Fire damage is increased by 40% in PvP (was 25%).

Buffs soon.