Fallen sh rename

Changes to talent name and description as suggested by bnn to be less potentially triggering

See merge request !666

Fallen b7 talents

Flee the Sun doesn't snap targeting to enemies
Dirge of Pestilence stacks with existing shields
Dirge of Conquest has slight scaling (from 2/3 of original value to 4/3)

See merge request !664

Fix various formatting errors and unclear descriptions

Fallen talent descriptions made clearer
Dirge immunities scale more smoothly
Flee the Sun has nolock targeting
Lights Out is more aggressive in preventing (+) energy gain

See merge request !662

Misc talent scaling changes



See merge request !663

Added Illuminate to Multicaster spells