add react signup form

app/assets/javascripts/components/signup.js.coffee

+{div, label, input} = React.DOM
+@Signup = React.createClass
+  render: ->
+    div
+      className: 'signup'
+      div
+        className: 'form-group has-error'
+        label
+          className: "control-label col-sm-3"
+          'Email'
+        div
+          className: 'col-sm-7'
+          input
+            className: 'form-control input-lg'
+            type: 'email'
+            name: 'user[email]'
+      div
+        className: 'form-group'
+        label
+          className: "control-label col-sm-3"
+          'Password'
+        div
+          className: 'col-sm-7'
+          input
+            className: 'form-control input-lg'
+            type: 'password'
+            name: 'user[password]'
+      div
+        className: 'form-group'
+        label
+          className: "control-label col-sm-3"
+          'Password confirmation'
+        div
+          className: 'col-sm-7'
+          input
+            className: 'form-control input-lg'
+            type: 'password'
+            name: 'user[password_confirmation]'
+      div
+        className: 'form-group'
+        div
+          className: 'col-sm-offset-3 col-sm-7'
+          input
+            className: 'btn btn-primary btn-lg btn-block'
+            type: 'submit'
+            value: 'Sign up'
+
+

app/views/devise/registrations/new.html.erb

@@ -4,33 +4,7 @@
     <div class="modal-body clearfix">
       <%= form_for(resource, as: resource_name, url: registration_path(resource_name), html: {class: "form-horizontal"}) do |f| %>
         <%= devise_error_messages! %>
-
-        <div class="form-group">
-          <%= f.label :email, class: "control-label col-sm-3" %>
-          <div class="col-sm-7">
-            <%= f.email_field :email, autofocus: true, class: "form-control input-lg" %>
-          </div>
-        </div>
-
-        <div class="form-group">
-          <%= f.label :password, class: "control-label col-sm-3" %>
-          <div class="col-sm-7">
-            <%= f.password_field :password, autocomplete: "off", class: "form-control input-lg" %>
-          </div>
-        </div>
-
-        <div class="form-group">
-          <%= f.label :password_confirmation, class: "control-label col-sm-3" %>
-          <div class="col-sm-7">
-            <%= f.password_field :password_confirmation, autocomplete: "off", class: "form-control input-lg" %>
-          </div>
-        </div>
-
-        <div class="form-group">
-          <div class="col-sm-offset-3 col-sm-7">
-            <%= f.submit "Sign up", class: "btn btn-primary btn-lg btn-block" %>
-          </div>
-        </div>
+        <%= react_component 'Signup', {} %>
       <% end %>
 
     </div> <!-- end body -->