Merge pull request #37 from LuckyDukang/Michael

根据角色-->功能-->模块
页面添加bbar
顶部和树状菜单伸收缩的实现
Merge remote-tracking branch 'remotes/HUT-Michael/Michael' into Michael
删除了roleModule 同时更改了所有通过session取得user对象的方法以及调用
Merge remote-tracking branch 'remotes/HUT-Michael/Michael' into Michael