Edit trang game
Merge pull request #46 from HuynhThan/feature/Edit_trang_game

 Edit trang game
Merge pull request #47 from nguyenngochan/feature/edit_visualization_page#3

edit admin page#2
fix admin constest and autocomplete code
Update demo
Delete zoom button, template form modal
Update exercise
Update user api
Merge branch 'develop' of https://github.com/EasyLearnCode/easylearncode into develop

Conflicts:
	api/restful.py
- Add more security for api
Fix levels
merge
Fix link
Fix recurse obj
edit learn admin page