Merge pull request #45 from luzhitong/master

set terminal controller to show the first instrument's appointments
maintainer页面的修饰
manager页面的修饰（未完成，只做了a_level_tag和b_level_tag的一部分）
Merge pull request #46 from luzhitong/master

set default group in group controller and group index view
Merge pull request #1 from JasonGuanGitHub/master

pull request
Merge branch 'master' of github.com:specialhappy/EasyUse
Merge pull request #47 from luzhitong/master

set_defalut_group donnot need to set group
Merge pull request #48 from specialhappy/master

maintainer和manager页面的修饰（未完成）
Merge pull request #7 from JasonGuanGitHub/master

update from Jason