Merge pull request #126 from groessler/gh-pages_to_pull

add Atari 5200; add 'console' to NES
Updated from commit 69471a19f3b389f59f7d8e9bb8c771b95c4c7b58.
Added Apple GEOS to the list of targets.
Updated from commit bdb33be246bc6047469e638720476a296b40d083.
Updated from commit 984195f9768e685cc099691384983048f9e4c9c4.
Updated from commit 7a9ea2189e88eeade5434377c72975d224e0991b.
Updated from commit 2bc46348608716d21027ea622dc6f347e6c076b4.
Updated from commit 2c975d36424c4d04e998f8f8b1633ad56ed9476a.
Updated from commit 132d57f1ad07585e857d57495cfc4ac90231027e.