added socket to initializers

config/initializers/socket.rb

+require 'em-websocket'
+require 'eventmachine'
+
+EM.next_tick {
+  EventMachine::WebSocket.start(:host => "0.0.0.0", :port => 8080, :debug => true) do |ws|
+    ws.onopen    {  ws.send "Hello Client!"}
+    ws.onmessage { |msg| ws.send "Pong: #{msg}" }
+    ws.onclose   { puts "WebSocket closed" }
+  end
+}
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