Highlander: Mention the "max. 1 ammo per type" rule in mission panel

Loyal Highlander: loyal=true in Highlander script param, you only get stuff for *enemy* kills Normal Highlander is of course not affected by this. This setting is optional.

Fix failure to update all cloud layers properly when entering Sudden Death

mark up sprites for uStore loading. critical is for ones needed for proper gameplay, checksum is for ones where the game will desync if they don't match. will add checksumming next...