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svn:author
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sveinung
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svn:date
V 27
2014-12-02T06:04:31.425840Z
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V 314
civ2civ3: readjusted effect of global warming/cooling

The main reason of this change is aesthetical, to try to get realistic
transformations in real earth maps, and at same time to keep a good variety of
terrains after loops of global warming and nuclear winter.

Patch by David Fernandez <bardo>

See patch #5475
END