Merge pull request #195 from nashby/singleton

use singleton_class since we drop ruby < 1.9.3 support

lib/draper/active_model_support.rb

@@ -10,11 +10,9 @@ module Draper::ActiveModelSupport
 
       proxies.each do |method_name, dependency|
         if base.model.kind_of?(dependency) || dependency.nil?
-          class << base
-            self
-          end.class_eval do
+          base.singleton_class.class_eval do
             if !base.class.instance_methods.include?(method_name) || base.class.instance_method(method_name).owner === Draper::Base
-              send(:define_method, method_name) do |*args, &block|
+              define_method(method_name) do |*args, &block|
                 model.send(method_name, *args, &block)
               end
             end

lib/draper/base.rb

@@ -11,8 +11,6 @@ module Draper
     self.denied = DEFAULT_DENIED
     self.allowed = DEFAULT_ALLOWED
 
-
-
     # Initialize a new decorator instance by passing in
     # an instance of the source class. Pass in an optional
     # context inside the options hash is stored for later use.