Warden Banner correctly reduces reload time instead of increasing it

Yeomen Commander Banner gives 25% physical resistance instead of 20 armour
Yeomen Commander Banner gives +45% charge bonus up from +20%

Conscription gives -5% upkeep to non-Knights instead of -2% to infantry
Conscription gives -5% recruitment cost to non-Knights instead of -5% to infantry

Fixed a bug where Trebuchet Commander and Yeomen Commander added a flat base damage value instead of increasing it by a percentage.

Fixed a bug where the general portrait in custom battles was using the unit card and not the porthole