1.更改加入项目以及移出项目消息的提示；

2.对于发布作业消息，当作业消息为空时，不显示；
3.消息列表中，“全部”改成“所有消息”

app/controllers/users_controller.rb

@@ -145,7 +145,7 @@ class UsersController < ApplicationController
       when 'forge_news'
         @message_alls = ForgeMessage.where("forge_message_type in (?,?) and user_id =?", "News", "Comment", @user).order("created_at desc")
       when 'apply'
-        @message_alls = ForgeMessage.where("forge_message_type in ('ProjectInvite', 'AppliedProject') and user_id =?", @user).order("created_at desc")
+        @message_alls = ForgeMessage.where("forge_message_type in ('ProjectInvite', 'AppliedProject', 'JoinProject', 'RemoveFromProject') and user_id =?", @user).order("created_at desc")
 
       #贴吧消息
       when 'forum'

app/views/users/_selector_for_messages.html.erb

@@ -19,7 +19,7 @@
             <li><%= link_to "项目任务", user_message_path(User.current, :type => 'issue'), :class => "homepageTypePTask postTypeGrey"  %></li>
             <li><%= link_to "项目讨论", user_message_path(User.current, :type => 'forge_message'), :class => "homepagePostTypeForum postTypeGrey"  %></li>
             <li><%= link_to "项目新闻", user_message_path(User.current, :type => 'forge_news'), :class => "homepageTypePNews postTypeGrey" %></li>
-            <li><%= link_to "用户申请", user_message_path(User.current, :type => 'apply'), :class => "homepageTypeUApply postTypeGrey" %></li>
+            <li><%= link_to "加入项目", user_message_path(User.current, :type => 'apply'), :class => "homepageTypeUApply postTypeGrey" %></li>
           </ul>
         </li>
 
@@ -27,7 +27,7 @@
         <li>
           <ul class="homepagePostTypeMore">
             <li class="f14"><strong>更多</strong></li>
-            <li class="fl w100"><%= link_to "全部",user_message_path(User.current), :class => "resourcesTypeAll postTypeGrey" %></li>
+            <li class="fl w100"><%= link_to "所有消息",user_message_path(User.current), :class => "resourcesTypeAll postTypeGrey" %></li>
             <li class="fl"><%= link_to "未读消息", user_message_path(User.current, :type => 'unviewed'), :class => "homepageTypeUnread postTypeGrey" %></li>
             <li class="fl w100"><%= link_to "系统消息", user_system_messages_path(User.current), :class => "homepageTypeSystem postTypeGrey" %></li>
             <li class="fl"><%= link_to "贴吧帖子", user_message_path(User.current, :type => 'forum'), :class => "homepageTypePost postTypeGrey"  %></li>

app/views/users/_user_message_course.html.erb

@@ -37,7 +37,7 @@
           <li class="homepageNewsTime fl"><%= time_tag(ma.created_at).html_safe %> </li>
         </ul>
     <% end %>
-    <% if ma.course_message_type == "HomeworkCommon" && ma.status.nil? %>
+    <% if ma.course_message_type == "HomeworkCommon" && ma.status.nil? && !ma.course_message.nil? %>
         <ul class="homepageNewsList fl">
           <li class="homepageNewsPortrait fl"><a href="javascript:void(0);"><%=link_to image_tag(url_to_avatar(ma.course_message.user), :width => "30", :height => "30"), user_path(ma.course_message.user) %></a></li>
           <li class="homepageNewsPubType fl"><%=link_to ma.course_message.user.lastname + ma.course_message.user.firstname + "老师", user_path(ma.course_message.user), :class => "newsBlue homepageNewsPublisher" %>

app/views/users/_user_message_forge.html.erb

@@ -31,12 +31,17 @@
             <span class="<%= ma.viewed == 0 ? "homepageNewsTypeNotRead fl" : "homepageNewsType fl" %>">将您加入了项目：</span>
           </li>
           <li class="homepageNewsContent fl"><a href="javascript:void(0);" class="newsGrey">
-            <%= link_to ma.project, project_path(ma.project), :class => "#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}",
+            <%= link_to ma.project, project_member_path(ma.project), :class => "#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}",
                         :onmouseover => "message_titile_show($(this),event)",
                         :onmouseout => "message_titile_hide($(this))" %></a>
           </li>
           <div style="display: none" class="message_title_red system_message_style">
-            <%= ma.project %>
+            <p>
+              项目名称：<%= ma.project.name %>
+            </p>
+            <p>
+              项目描述：<%= ma.project.description %>
+            </p>
           </div>
           <li class="homepageNewsTime fl"><%= time_tag(ma.created_at).html_safe %> </li>
         </ul>
@@ -52,12 +57,17 @@
             <span class="<%= ma.viewed == 0 ? "homepageNewsTypeNotRead fl" : "homepageNewsType fl" %>">将您移出了项目：</span>
           </li>
           <li class="homepageNewsContent fl"><a href="javascript:void(0);" class="newsGrey">
-            <%= link_to ma.project, project_path(ma.project), :class => "#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}",
+            <%= link_to ma.project, member_project_path(ma.project), :class => "#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}",
                         :onmouseover => "message_titile_show($(this),event)",
                         :onmouseout => "message_titile_hide($(this))" %></a>
           </li>
           <div style="display: none" class="message_title_red system_message_style">
-            <%= ma.project %>
+            <p>
+              项目名称：<%= ma.project.name %>
+            </p>
+            <p>
+              项目描述：<%= ma.project.description %>
+            </p>
           </div>
           <li class="homepageNewsTime fl"><%= time_tag(ma.created_at).html_safe %> </li>
         </ul>
@@ -71,7 +81,7 @@
           </li>
           <li class="homepageNewsPubType fl">
             <%=link_to inviter, user_path(inviter), :class => "newsBlue homepageNewsPublisher" %>
-            <span class='<%= ma.viewed == 0 ? 'homepageNewsTypeNotRead fl' : 'homepageNewsType fl' %>'>邀请你加入项目</span>
+            <span class='<%= ma.viewed == 0 ? 'homepageNewsTypeNotRead fl' : 'homepageNewsType fl' %>'>邀请你加入项目：</span>
           </li>
           <% if ma.user.member_of?(ma.project) %>
               <li class="homepageNewsContent fl">