pass additional game data to custom installers
improve custom install scripts
fix download when multiple candidates are found
add custom install for Canabalt
add custom install for NightSky
add support for extra apps, starting with Adobe AIR
add download data for Flash Player standalone
add --json option to output in machine-readable format
add custom install for McPixel
add "air" install method, debuted by Starseed Pilgrim
add vessel and a bunch of game launchers