Add exercise in restful
Fix calc depth
Add set key name, remove model exercise unit
Fix admin:
- Add form service
- Change course admin
- Chang exercise admin
- Change form field template
add word-wrap class
add word-wrap class
Complete admin exercise
Add Files to restful
Fix models
Change template course_practice_detail
Fix course load from real data
edit learn page
add library angular-local-storage
add again Rate model
edit video youtube
edit info page, learn page, mainjs, quizhtml
edit learn page
edit lean page, info page, add teacher page