Title: Fixed error message in parameter columns of discovered services
Level: 1
Component: wato
Class: fix
Compatible: compat
State: unknown
Version: 1.2.7i1
Date: 1432028372

All discovered services were showing up the "Invalid check parameter" error message
in the "check parameters" column of the service discovery table of a host.
This error was simply a problem of visualisation in this table and had no other
negative effect, the checks worked without a problem.
