update learn page
Merge pull request #28 from nguyenngochan/feature/learn_page

edit learn page
Merge pull request #29 from HuynhThan/feature/fix_profile_page

Feature/fix profile page
Add some css for practice page
Upgrade bootstrap version to 3.1.1
Add module course, course_practice, course_practice_viewer
Change link in dashboard
Add sample data
ng-init status
Add dropdown menu
Add CoursePracticeViewerHandler
Add router for practice page
fix api
remove some unnecessary
edit learn page
Merge pull request #30 from nguyenngochan/feature/leanr_page_viewer

edit learn page
enable admin console
Fix datetime convert
Add library
Add ModelUtils for keep Id in to_dict