pre-fill email field on wrong password

app/views/layouts/_head.html.erb

@@ -33,7 +33,7 @@
       <% if current_user %>
         <span id="userinfo-box">
           <%= link_to current_user.name, current_user %><br/>
-          <%= link_to "Logout", logout_path %>
+          <%= link_to "Logout", logout_path, method: :delete %>
         </span>
         <%= link_to current_user.avatar(32), current_user %>
       <% else %>

app/views/sessions/new.html.erb

@@ -6,11 +6,11 @@
   <table>
     <tr>
       <td><%= label_tag :email %></td>
-      <td><%= text_field_tag :email, nil, placeholder: "email@example.com" %></td>
+      <td><%= text_field_tag :email, params[:email], placeholder: "email@example.com", required: true %></td>
     </tr>
     <tr>
       <td><%= label_tag :password %></td>
-      <td><%= password_field_tag :password, nil, placeholder: "******" %></td>
+      <td><%= password_field_tag :password, nil, placeholder: "secret", required: true %></td>
     </tr>
     <tr>
       <td></td>

config/routes.rb

@@ -46,7 +46,7 @@ Redstoner::Application.routes.draw do
   post 'login'  => 'sessions#create'
   get  'become' => 'sessions#become'
   get  'revert' => 'sessions#revert'
-  get  'logout' => 'sessions#destroy'
+  delete  'logout' => 'sessions#destroy'
   get  'signup' => 'users#new'
   get  '/dmca'  => redirect('https://www.youtube.com/watch?v=oHg5SJYRHA0')