rename functions, clean up address/wram comments, other misc
only broken up so that all changes are viewable on github

Document mist effect

Document recoil effect

Document heal effect

Update conversion_effect.asm

Update haze_effect.asm

Update leech_seed_effect.asm

Update pay_day_effect.asm

Update reflect_light_screen_effect.asm

Update substitute_effect.asm

Update transform_effect.asm

5.asm, 9.asm, and a.asm