修复个人主页点击粉丝或者关注时，如果粉丝参加的课程和项目为0的bug；

app/views/users/user_fanslist.html.erb

@@ -6,9 +6,9 @@
         <li>
           <table width="660px" border="0" align="center">
             <tr>
-              <td colspan="2" valign="top" width="50"><%= link_to image_tag(url_to_avatar(user), :class => "avatar"),
-                                                                  user_path(user),
-                                                                  :title => "#{user.name}" %></td>
+              <td colspan="2" valign="top" width="50">
+                <%= link_to image_tag(url_to_avatar(user), :class => "avatar"),user_path(user),:title => "#{user.name}" %>
+              </td>
               <td>
                 <table width="580px" border="0">
                   <tr>  <!-- modified by bai -->
@@ -27,6 +27,8 @@
                           <% for member in memberships %>
                               <%= link_to_project(member.project) %><%= (user.memberships.last == member) ? '' : '，' %>
                           <% end %>
+                      <% else %>
+                          <%= l(:label_x_contribute_to, :count => 0) %>
                       <% end %>
                     </p>
 
@@ -38,6 +40,8 @@
                             <% for member in memberships %>
                                 <%= link_to_project(member.project) %><%= (user.memberships.last == member) ? '' : '，' %>
                             <% end %>
+                        <% else %>
+                            <%= l(:label_x_course_contribute_to, :count => 0) %>
                         <% end %>
                       </p>
                     </td>