Add login page
Add logout
Add profile page with authenticate
Change slim to erb on profile index page

Unknown issue causes slim to not rendering the variable passed specifically on this page.
Add has many tryouts association to student and quiz
Add total tryouts taken in user profile
Add scholarship model
Add determine scholarship qualification
Refactor scholarship data into db seed
Add invalid score test case for scholarship qualification
Refactor tryout examination
Add discount to tryout

- Remove score and discount validation
- Add determine scholarsip before validation callback
- Add empty quiz guard on tryout examination
Add discount to student
Rename sessions request to feature spec
Display student scholarship
Display list of tryout scores
Add launchy
Add share exam score
Add user invitation
Fix authenticatable behavior on profile