Add checklist for changes
Fix Cybran T3 MAA not giving vet

Fixes Issue #13
Merge pull request #48 from aeoncleanse/T3-MAA-Fix

Eez goood! #13 fixed.
Integrate fixes from patch-Z and Hitboxes

This puts in place unit.lua parts of the Continental's fix, the general
Shielding fixes, and part of the hitbox fixes code.
Finish moving the Continental fix