Add Nokogiri in Gemfile.
remove encoding convert.
Merge pull request #144 from doitian/fix-spec-errors

Fix spec errors
Add beta deploy environment.
Add a test case.
-
Fix test.
RSpec 里面强制用 test 环境，以免误操作.
使用Setting.app_name代替SITE_NAME
Merge pull request #147 from wuwx/master

使用 Setting.app_name 代替 SITE_NAME
upgrading Rails to 3.2.11

Multiple vulnerabilities in parameter parsing in Action Pack (CVE-2013-0156)
see https://groups.google.com/group/rubyonrails-security/browse_thread/thread/eb56e482f9d21934
Thin version to 1.5.0, before version can't work with Rails 3.2.11.
Remove ree,1.9.2 from travis, don't need.
iOS 下面固定导航栏在顶端，加入 iOS icon;
Mobile 上面自动滚动到可以隐藏浏览器工具栏的位置;
个人信息显示公开记事本,记事本显示阅读次数 Issue #149
fix users_controller_spec.rb
Merge pull request #151 from ddl1st/master

个人信息显示公开记事本,记事本显示阅读次数
去掉多余的信息;
updating devise. #152