Tweaks random map resources.
Adds support for circular maps to rmgen library.
Various fixes in map generator.
On Miletus map, change player 2 civ, as Romans are not fully implemented
(fixes#758)
This was SVN commit r9104.
Includes default library "rmgen" w/ API based on rmgen tool.
Modifies rmgen scripts Cantabrian Highlands, Neareastern Badlands, and
Latium.
Old map support dropped from MapReader.
Fixes a few bugs in existing game setup and initialization scripts.
This was SVN commit r9096.
