Add Lua standard library and supporting C#/yaml

mods/ra/lua/map.lua

@@ -0,0 +1,9 @@
+Map = { }
+
+Map.GetFacing = function(vec, currentFacing)
+	return Internal.GetFacing(vec, currentFacing)
+end
+
+Map.GetWRangeFromCells = function(cells)
+	return Internal.GetWRangeFromCells(cells)
+end