Fix sign in/up buttons
Fix button hover for projects
Fix code db entry
Establish relationships between users and codes
Add user_type and admin dashboard to header
Generate random codes
Fix full-container and generate random codes
Add has_project_access method to check if a user has access. Fix #144
Add users auth_code endpoint
Fix admin codes page, and fix up the student page
Styling for student page
Store last location and redirect to on successful login
Merge pull request #158 from teamleada/mark/code-auth

Code authentication