add new options for moving nav links

db/migrate/20130307225324_add_settings_to_users.rb

@@ -0,0 +1,7 @@
+class AddSettingsToUsers < ActiveRecord::Migration
+  def change
+    add_column :users, :enable_post_navigation, :boolean, :null => false, :default => true
+    add_column :users, :new_post_navigation_layout, :boolean, :null => false, :default => true
+    add_column :users, :enable_privacy_mode, :boolean, :null => false, :default => false
+  end
+end