testing version of LuaBIOS and OpenOS

people were having issues getting them to work so now we promote consistency

data/OpenOS/bin/ls.lua

@@ -0,0 +1,18 @@
+-- load complex, if we can (might be low on memory)
+
+local ok, why = pcall(function(...)
+  return loadfile("/lib/core/full_ls.lua", "bt", _G)(...)
+end, ...)
+
+if not ok then
+  if type(why) == "table" then
+    if why.code == 0 then
+      return
+    end
+    why = why.reason
+  end
+  io.stderr:write(tostring(why) .. "\nFor low memory systems, try using `list` instead\n")
+  return 1
+end
+
+return why