refine bulletin
try fix same child state share same url issue in ui router
add manager.users

- basic list usage
refine landing page

- refind landing page
- add root state to fix youtube iframe loading
- add info link in menu items
- refactor landing sass
Adjust dashboard rwd theme
manage teachers
fix date inconsistent
Merge pull request #12 from Bratops/0.1.9_manager_teacher_admit

Add teacher/manager admit