Mark data_timeout as obsolete

Fixes: #31 Fixes #32

Author: ph

lib/logstash/inputs/log4j.rb

@@ -44,8 +44,8 @@ class LogStash::Inputs::Log4j < LogStash::Inputs::Base
  # Read timeout in seconds. If a particular TCP connection is
  # idle for more than this timeout period, we will assume
  # it is dead and close it.
- # If you never want to timeout, use -1.
- config :data_timeout, :validate => :number, :default => 5
+ # If you never want to timeout, use -1.,
+ config :data_timeout, :validate => :number, :default => 5, :obsolete => "This option no longer necessary, the input will now keep the connection open."
 
  # Mode to operate in. `server` listens for client connections,
  # `client` connects to a server.