Update homepage.
Add admin, tutor & student roles.
Add lab controller & model.
Add references between User and Lab model.
Add test for Pages and Add font-awesome.
Add font-awesome.
Add fix on admin interface and define user abilities.
- Display all users on admin interface.
- Use only 1 partials for sidebar instead of partial for each role.
- Add ability on controller.
Refactor codes & Fix nested forms.
Remove the erb partials for displaying sidebar.
Add better_errors on Gemfile.
Add paperclip for file attachment.
Add Task model.
Add Stage references to Task.
Merge branch 'feature/lab' into develop
Merge branch 'develop'