SM: Chaplain update
SM: jump infantry can now accept attachable leaders
SM: fixed out-of-date assault shotgun requirement
SM: Apothecary overhaul

- Can now only requisition a single Apothecary
- Upgraded armor level to commander-level
- Increased health, morale
- Increased melee damage
- Added bolt pistol
- Increased healing aura effectiveness (for squad) and secondary
  healing area radius
- Added Feel No Pain, giving a chance for his squad to ignore dmg
SM: added tooltip for Apothecary
SM: updated Force Commander model
SM: Librarian updates

- Updated model
- Decreased initial health