Extra hero Aid

Description
The following changes have been made:
- The command set for every fortress, citadel, monument, and so on, has had its number of hero revival slots increased to 16, usually from 7 or 8.
- The corresponding command buttons to show the heroes have beeIf you are creating a mod where, for one reason or another, you need several heroes in the one faction, you can use these versions of commandset.ini and commandbutton.ini to save you the effort of coding the extra buttons you will need.