分类下拉二级目录
Merge branch 'develop' of ssh://bitbucket.org/wecenter/wecenter into develop
话题样式调整, icon间距调整
Merge branch 'develop' of https://bitbucket.org/wecenter/wecenter into develop

Conflicts:
	static/css/default/common.css
个人界面右侧增加更多
font-awesome icon删除, 相应icon代码替换删除
手机版分享修改
手机版bugfix
黑色模板删除, 样式调整
bugfix
Merge branch 'develop'
小卡片icon ie8兼容
多余代码删除
AJAX 评论
Merge branch 'develop'
Merge branch 'master' into github