Merge pull request refinery#1746 from resolve/custom_view_and_layout_404

Allow 404 page to have custom view/layout templates.

pages/lib/refinery/pages/instance_methods.rb

@@ -10,7 +10,7 @@ def self.included(base)
       def error_404(exception=nil)
         if (@page = ::Refinery::Page.where(:menu_match => "^/404$").includes(:parts).first).present?
           # render the application's custom 404 page with layout and meta.
-          render :template => '/refinery/pages/show', :formats => [:html], :status => 404
+          render_with_templates?(:status => 404)
           return false
         else
           super