Fix some oversights in the gamesetup class rewrite rP23374/D2483 and one in the landscape gamesetup option D2564/rP23392.
- Relic count setting didn't work at all, reported by gameboy.
- GameSettingsPanel columnWidth wasn't lowered when using 1024*768, necessary when all victory conditions are enabled (two columns), reported by bb.
- Landscape setting didn't work with the random random map, reported by bb.
- SavegameDetails used an obsolete function name.