Changing doctype system identifier as suggested by W3C validator to clear warning
Changing doctype system identifier as suggested by W3C validator to clear warning

onrooby/cruisecontrol.rb,thoughtworks/cruisecontrol.rb,thoughtworks/cruisecontrol.rb,shopittome/cruisecontrol.rb,shopittome/cruisecontrol.rb,thoughtworks/cruisecontrol.rb,shopittome/cruisecontrol.rb,thewoolleyman/cruisecontrol.rb,shopittome/cruisecontrol.rb,thoughtworks/cruisecontrol.rb,shopittome/cruisecontrol.rb,thewoolleyman/cruisecontrol.rb,onrooby/cruisecontrol.rb,onrooby/cruisecontrol.rb,onrooby/cruisecontrol.rb,onrooby/cruisecontrol.rb,thoughtworks/cruisecontrol.rb,shopittome/cruisecontrol.rb