Revise Scoundrel and add it to the Rogue escort

Ongoing project to have more generally accessible escort trees.  Scoundrel is keeping its core theme as a "debuff on hit for weapon class" theme but with less restrictions.

Lacerating Strikes:

- Now passive, had no sustain cost anyway

- Damage is now dealt over 4 instead of 10 turns

- Damage increased to 100%

- Turn loss removed

- Proc chance increased

Scoundrel's Strategies:

- No longer requires a bleed

- Fixed proc limit being based on the target's turns

- No longer requires a bleed on the target

- Duration added to talents fixed to 4

- Now reduces critical power instead of critical strike chance to guarantee damage reduction in the biggest spikes

- Proc chance increased

Misdirection:

- Now gives Defense passively scaled with TL and Cunning

- Proc chance increased

Fumble:

- No longer linked to the other effects in the tree

- Now works on all *turn* failures caused by effects, so including things like Spell Disruption, Confusion, etc.  Basically expands the synergy options.

- Damage increased

- Now only gets removed if the effect specifically caused the turn failure, otherwise it deals damage and stays