Differentiates sabre, minor fencing-weapon tweaks

This fixes #9282.
Boxing nerf

Folks seem to use this a LOT in the high-damage Challenges, so I'm
thinking downtune.  It's not an endgame MA.

Makes the Cross-Counter less damaging, improves the Uppercut, and makes
it a crit_tec so the Cross Counter hopefully will stop coming out on
crits.  (Or at least not as often.)
TKD/Toad reshuffle

TKD still gives a fair amount of block-bonus for strong folks, but it's
not as guaranteed.
Merge pull request #9286 from KA101/MA

MA stuff