bring back old named_scope_patch.rb and delete version-specific ones

lib/will_paginate/named_scope_patch.rb

@@ -0,0 +1,37 @@
+ActiveRecord::Associations::AssociationProxy.class_eval do
+  protected
+  def with_scope(*args, &block)
+    @reflection.klass.send :with_scope, *args, &block
+  end
+end
+
+[ ActiveRecord::Associations::AssociationCollection,
+    ActiveRecord::Associations::HasManyThroughAssociation ].each do |klass|
+  klass.class_eval do
+    protected
+    alias :method_missing_without_scopes :method_missing_without_paginate
+    def method_missing_without_paginate(method, *args, &block)
+      if @reflection.klass.scopes.include?(method)
+        @reflection.klass.scopes[method].call(self, *args, &block)
+      else
+        method_missing_without_scopes(method, *args, &block)
+      end
+    end
+  end
+end
+
+# Rails 1.2.6
+ActiveRecord::Associations::HasAndBelongsToManyAssociation.class_eval do
+  protected
+  def method_missing(method, *args, &block)
+    if @target.respond_to?(method) || (!@reflection.klass.respond_to?(method) && Class.respond_to?(method))
+      super
+    elsif @reflection.klass.scopes.include?(method)
+      @reflection.klass.scopes[method].call(self, *args)
+    else
+      @reflection.klass.with_scope(:find => { :conditions => @finder_sql, :joins => @join_sql, :readonly => false }) do
+        @reflection.klass.send(method, *args, &block)
+      end
+    end
+  end
+end if ActiveRecord::Base.respond_to? :find_first