Changes to Campaign Jena-Auerstedt V1.01
    - Put cavalry charge multiple in parameter data.
    - Put disordered movement fraction in parameter data.

Changes to Campaign Jena-Auerstedt V1.0
    - Implemented a minimum bridge strength requirement for crossing a
      damaged bridge of 50, 100, and 150 for infantry (and leaders), cavalry,
      and artillery (and supply wagons) respectively.  See the section on
      Movement in the Users Manual.
    - Put cavalry charge factor in parameter data.
    - Added the ability to define a unit as "Has Boats" which allows the
      unit to enter water hexes.
    - Added option to prevent defender elimination when there is no valid
      retreat after melee.