Updated Persian Architecture tip text.
Adjusted upward the number of max gatherers for small mines and the
unfinished Greek temple ruin.
Tweaked Cycladic Archipelago 6 (fixed fish and treasure positions).
Tweaked Gold Oasis 1 (made it possible to build a civic center in the
middle of the "Gold Patches."
Adjusted the Spartan House history entry, based on text by contributor
Thorfinn the Shallow Minded.
This was SVN commit r13785.
