updated fsmanager to new service semantics

service/fsmanager.lua

@@ -1,3 +1,4 @@
+local fsmanager = {}
 local function mount(addr)
  dest = component.invoke(addr,"getLabel") or "mnt/"..addr:sub(1,3)
  dest = "/"..dest
@@ -12,7 +13,7 @@ for addr, _ in component.list("filesystem") do
  mount(addr)
 end
 
-function start()
+function fsmanager.start()
  return os.spawn(function()
   while true do
    local tE = {coroutine.yield()}
@@ -24,3 +25,5 @@ function start()
   end
  end,"fsmanager")
 end
+
+return fsmanager