Added class GameData::Evolution, moved evolution-related methods to more appropriate places

Data/Scripts/011_Data/002_Hardcoded data/009_Environment.rb

@@ -25,6 +25,8 @@ module GameData
   end
 end
 
+#===============================================================================
+
 GameData::Environment.register({
   :id   => :None,
   :name => _INTL("None")