Refactor admin interface under namespace

config/locales/en.yml

@@ -106,12 +106,7 @@ en:
   setting_groups:
     codes:
       domain_validation: 'Domain validation'
-
-    index:
-      setting_group: 'Setting group'
-      edit_settings: 'Edit settings'
-    show:
-      setting: 'Setting'
+      domain_general: 'Domain general'
 
   settings:
     codes:
@@ -133,4 +128,7 @@ en:
     epp_users: 'EPP Users'
     registrars: 'Registrars'
 
-  transfer_can_be_approved_only_by_current_registrar: 'Transfer can be approved only by current domain registrar'
+    transfer_can_be_approved_only_by_current_registrar: 'Transfer can be approved only by current domain registrar'
+    edit_settings: 'Edit settings'
+    setting_group: 'Setting group'
+    setting: 'Setting'

config/routes.rb

@@ -5,13 +5,15 @@ Rails.application.routes.draw do
     get 'error/:command', to: 'errors#error', defaults: { format: :xml }
   end
 
-  resources :setting_groups
+  namespace(:admin) do
+    resources :setting_groups
+  end
 
   # The priority is based upon order of creation: first created -> highest priority.
   # See how all your routes lay out with "rake routes".
 
   # You can have the root of your site routed with "root"
-  root 'setting_groups#index'
+  root 'admin/setting_groups#index'
 
   # Example of regular route:
   #   get 'products/:id' => 'catalog#view'