Add more skill slots to HUD

[falmear]

Right now we are limited to 4 skills. Instead of adding new skills and facing the same dilemma over which skills to use. Let us spend our skill points on skills that are generally unused because we are limited to 4 skills. IMO there is plenty of room on the HUD to add a 5th skill. In PvE and PvP I could use a 5th skills. For example, while its not often spec'd in PvE I could use wind for its speed boost for timed runs. Other classes have skills which generally go unused as well. If more skills were added then it just becomes the same situation, some skills are in favor while others basically go unused. Without more slots to use these skills being restricted to 4 skills means the rest of the skill points end up on passives.