screenblank works with the new rc system now, rejoyce

service/screenblank.lua

@@ -1,6 +1,8 @@
 local lastkey = computer.uptime()
 local state = true
 local delay = 60
+function start()
+ return os.spawn(function()
   while true do
    tEv = {coroutine.yield()}
    if tEv[1] == "key_down" then
@@ -19,3 +21,5 @@ while true do
     state = false
    end
   end
+ end,"screenblank")
+end