修改《课程--留言：给课程留言却返回404》bug

Signed-off-by: alan <547533434@qq.com>

app/models/contest.rb

@@ -17,6 +17,7 @@ class Contest < ActiveRecord::Base
 
 
 
+
   acts_as_attachable
 
   NAME_LENGTH_LIMIT = 60

app/views/layouts/mailer.html.erb

@@ -39,7 +39,7 @@ a:hover.mail_reply{ background:#06a9bc; text-decoration:none;}
         </div><!--mail_head end-->
         <%= yield %>
         <hr />
-        <div class="mail_foot"><%= link_to("退订该邮件？", @user_url)  %> </div><!--mail_foot end-->
+      <span class="footer"><%= Redmine::WikiFormatting.to_html(Setting.text_formatting, Setting.emails_footer).html_safe %></span><!--mail_foot end-->
     </div>
   </div>
 </body>

app/views/mailer/issue_add.html.erb

@@ -5,4 +5,5 @@
 
 
 </div>
+<div class="mail_foot"><%= link_to("退订该邮件？", @user_url)  %> </div>
 

app/views/mailer/issue_add.text.erb

@@ -1,2 +1,3 @@
 
 <%= render :partial => 'issue', :formats => [:text], :locals => { :issue => @issue, :issue_url => @issue_url } %>
+<%= link_to("退订该邮件？", @user_url)  %>

app/views/mailer/issue_edit.html.erb

@@ -11,3 +11,5 @@
 <span style="float: left"><strong><%= l(:field_content)%>：</strong></span><span style="float: left; width: 540px"><%= @journal.notes %></span>
 <hr />
 <%= render :partial => 'issue', :formats => [:html], :locals => { :issue => @issue, :issue_url => @issue_url } %>
+<div class="mail_foot"><%= link_to("退订该邮件？", @user_url)  %> </div>
+

app/views/mailer/issue_edit.text.erb

@@ -12,3 +12,5 @@
 <% end -%>
 ----------------------------------------
 <%= render :partial => 'issue', :formats => [:text], :locals => { :issue => @issue, :issue_url => @issue_url } %>
+
+<%= link_to("退订该邮件？", @user_url)  %>