Added autologin feature (disabled by default).

To enable this feature, go to administration settings and choose a duration for autologin.
When enabled, a checkbox on the login form lets users activate autologin.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@514 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/account/login.rhtml

@@ -3,23 +3,26 @@
 <h2 class="icon22 icon22-authent"><%=l(:label_please_login)%></h2>
 
 <% form_tag({:action=> "login"}, :class => "tabular") do %>
+
 <p><label for="login"><%=l(:field_login)%>:</label>
 <%= text_field_tag 'login', nil, :size => 25 %></p>
 
 <p><label for="password"><%=l(:field_password)%>:</label>
 <%= password_field_tag 'password', nil, :size => 25 %></p>
 
-<p><center><input type="submit" name="login" value="<%=l(:button_login)%> &#187;" class="primary" /></center>
+<% if Setting.autologin? %>
+<p><label for="autologin"><%= check_box_tag 'autologin' %> <%= l(:label_stay_logged_in) %></label></p>
+<% end %>
+
+<p><input type="submit" name="login" value="<%=l(:button_login)%> &#187;" class="primary" /></p>
 <% end %>
 <%= javascript_tag "Form.Element.focus('login');" %>
 
-<br>
 <% links = []
    links << link_to(l(:label_register), :action => 'register') if Setting.self_registration?
    links << link_to(l(:label_password_lost), :action => 'lost_password') if Setting.lost_password?
 %>
 <%= links.join(" | ") %>
-</p>
 
 </div>
 </center>