修改邮件样式，增加相应的提示

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

app/models/mailer.rb

@@ -31,10 +31,11 @@ class Mailer < ActionMailer::Base
   # 发送邀请未注册用户加入项目邮件
   # 功能： 在加入项目的同时自动注册用户
   def  send_invite_in_project(email, project, invitor)
+    @email = email
     @subject = "#{invitor.name} #{l(:label_invite_project)} #{project.name} "
-    password = newpass(6)
+    @password = newpass(6)
     @project_url = url_for(:controller => 'projects', :action => 'show', :id => project.id,
-                           :password => password,  :login => email)
+                           :password => @password,  :login => email)
     mail :to => email, :subject => @subject
   end
 

app/views/mailer/send_invite_in_project.html.erb

@@ -6,6 +6,10 @@
 		<span style="float: left; width: 526px">
         	<p><%= @subject %> </p>
            <p> <%= link_to @project_url, @project_url%></p>
+          <p>点击链接后，将自动为您注册账号</p>
+          <p>您的账号为:<%= @email %></p>
+          <p>密码为： <%= @password %></p>
+
         </span>
     </li>