dev-mark.rb in rack-dev-mark-0.4.0

- old
+ new

@@ -14,5 +14,7 @@
     def self.revision
       @revision ||= (::File.open('REVISION') { |f| f.read.strip } rescue nil)
     end
   end
 end
+
+require 'rack/dev-mark/railties' if defined?(Rails)