Maps: 1 new map, 2 map updates

1 new map: "Profit Over People" (1vs1)
1 fix: "Hegemony or Survival" was changed to the 4P version, since 8P doesn't get much play, but the 4P is actually fun and 2vs2 happens.
Re-added the 8P-version with "8P" suffix, if ever people still want to play a 4vs4.