Fix inconsistencies in guest nick name generation When the setting net/nick is empty, HW generates a guest name. But there were several problems: - Team name did not match guest name - Random guest number was re-rolled multiple times, causing inconsistencies - Guest number was often too large (now capped at 99999)

file(GLOB FortSprites *L.png *R.png)
list(REMOVE_ITEM FortSprites *@2x.png)
list(REMOVE_ITEM FortSprites *-icon.png)

install(FILES
    ${FortSprites}
    DESTINATION ${SHAREPATH}Data/Forts)