Change Rockwalk’s targeting mode to not autoaccept because it is a movement skill.

Simplify green_screen shader check
Change Blood Rush’s bleed calculation to work the same as Blood Bath and Scoundrel.  Lowered bleed multiplier.
Fixed scaling of Bullseye so that it affects more than 0 talents.
Fix Collapse triggering critical hits even if it was aimed so that it couldn’t be cast.
Self-Judgement applies against damage from effects, such as Greater Weapon Focus.
Taint of Purging is marked as a quest item like all other alchemist rewards.