rails.md in chr-0.3.5

- old
+ new

@@ -1,8 +1,8 @@
 # Character
 
-## Rails
+## Rails Setup
 
 An example of admin implementation setup for [Rails](https://github.com/rails/rails) app that uses [Mongoid](https://github.com/mongoid/mongoid) stack.
 
 
 ### Gems
@@ -73,21 +73,15 @@
 
   1. Authentication is not required when running in development or testing environment;
   2. Need to setup ```index``` view and ```admin``` layout to render admin app;
   3. ```bootstrap_data``` is a placeholder for objects that might be required to be loaded when app starts.
 
-Devise would require a custom ```SessionController``` implementation in ```app/controllers/admin/devise_overrides/session_controller.rb```. ```SessionController``` sets ```admin``` layout to be used for devise views rendering and enables login by email (*looks like workaround*).
+Devise would require a custom ```SessionController``` implementation in ```app/controllers/admin/devise_overrides/session_controller.rb```. ```SessionController``` sets ```admin``` layout to be used for devise views rendering.
 
 ```ruby
 class Admin::DeviseOverrides::SessionsController < Devise::SessionsController
   layout 'admin'
-
-  protected
-
-    def configure_permitted_parameters
-      devise_parameter_sanitizer.for(:sign_in) << :email
-    end
 end
 ```
 
 Admin app layout ```app/views/layouts/admin.html.erb```:
 
@@ -111,12 +105,18 @@
 
 Admin index view ```app/views/admin/index.html.erb```:
 
 ```erb
 <body class='loading'>
-  <%= link_to 'Sign Out', destroy_admin_session_path, method: :delete, style: 'display:none;' %>
+
+  <% admin_email = Rails.env.production? ? current_admin.email : 'developer@example.com' %>
+
+  <%= link_to 'Sign Out', destroy_admin_session_path, 'data-admin-email' => admin_email,
+               method: :delete,
+               style: 'display:none;', class:  'menu-logout' %>
 </body>
+
 <%= javascript_include_tag :admin %>
 ```
 
 New session view for devise ```app/views/admin/devise_overrides/sessions/new.html.erb```:
 
@@ -192,10 +192,10 @@
 ```scss
 .sign-in {
   margin: 2em; max-width: 18em;
 
   h2 { text-transform: uppercase; color: $black; }
-  input { @include noFocus(); }
+  input { @include no-outline; }
   label { color: $black; }
   .input { margin-bottom: .75em; }
 
   .input input[type=checkbox] { margin-right: .5em; }
 