The Galaxy update contains:
Added Galaxy Menu in replacement of launch menu
Added Fuelcosts and fuelcost calculator based on distance.
Added Warping and Galaxys
Added Recipes to cookbook
Added Recipe and building Guide Book
Added command to get Recipe books
Added Recipe view gui
Added Recipe file for defining custom builds
Added Worldsettings file and moved related settings to it.
Added galaxy file making the worlds limit to unlimited.