Add controllers from spree_backend related to config

app/controllers/spree/admin/countries_controller.rb

@@ -0,0 +1,11 @@
+module Spree
+  module Admin
+    class CountriesController < ResourceController
+
+        def collection
+          super.order(:name)
+        end
+
+    end
+  end
+end

app/controllers/spree/admin/states_controller.rb

@@ -0,0 +1,29 @@
+module Spree
+  module Admin
+    class StatesController < ResourceController
+      belongs_to 'spree/country'
+      before_filter :load_data
+
+      def index
+        respond_with(@collection) do |format|
+          format.html
+          format.js { render :partial => 'state_list' }
+        end
+      end
+
+      protected
+
+        def location_after_save
+          admin_country_states_url(@country)
+        end
+
+        def collection
+          super.order(:name)
+        end
+
+        def load_data
+          @countries = Country.order(:name)
+        end
+    end
+  end
+end

app/controllers/spree/admin/zones_controller.rb

@@ -0,0 +1,26 @@
+module Spree
+  module Admin
+    class ZonesController < ResourceController
+      before_filter :load_data, :except => [:index]
+
+      def new
+        @zone.zone_members.build
+      end
+
+      protected
+
+        def collection
+          params[:q] ||= {}
+          params[:q][:s] ||= "ascend_by_name"
+          @search = super.ransack(params[:q])
+          @zones = @search.result.page(params[:page]).per(Spree::Config[:orders_per_page])
+        end
+
+        def load_data
+          @countries = Country.order(:name)
+          @states = State.order(:name)
+          @zones = Zone.order(:name)
+        end
+    end
+  end
+end