add account deletion

app/controllers/maintenance/user/deletions_controller.rb

@@ -1,10 +1,18 @@
 module Maintenance
   module User
     class DeletionsController < ApplicationController
+      rescue_from UserDeletion::ValidationError, :with => :rescue_exception
+
       def show
       end
 
       def destroy
+        deletion = UserDeletion.new(CurrentUser.user, params[:password])
+        deletion.delete!
+        session.delete(:user_id)
+        cookies.delete(:cookie_password_hash)
+        cookies.delete(:user_name)
+        redirect_to(posts_path, :notice => "You are now logged out")
       end
     end
   end