add a daemon example

example/daemon.rb

@@ -0,0 +1,36 @@
+
+require 'rest-firebase'
+
+es = RestFirebase.new(:auth => false).
+       event_source('https://SampleChat.firebaseIO-demo.com/')
+
+es.onerror do |error|
+  puts "ERROR: #{error}"
+end
+
+es.onreconnect do
+  !!@start
+end
+
+es.onmessage do |event, data|
+  puts "EVENT: #{event}, DATA: #{data}"
+end
+
+puts "Starting..."
+@start = true
+es.start
+
+rd, wr = IO.pipe
+
+Signal.trap('INT') do
+  puts "Stopping..."
+  @start = false
+  es.close
+  es.wait
+  wr.puts
+end
+
+rd.gets
+
+# Now try:
+# curl -X POST -d '{"message": "Hi!"}' https://SampleChat.firebaseIO-demo.com/godfat.json