Add 2 new stopgap talents talents for Gazes-Offensive

Refracting Gaze works like Devouring Gaze, but it uses light/blind and packs more AoE.
Central Eye Mastery improves mind and light damage/penetration.
Central Eye Mastery can be sustained to periodically pull enemies into the gaze.
Also, we'll throw in a couple of negligible fixes and cleanups.