PA Review: User Authentication

[kavya-kumar94]

• [ ] Backend: DB, model, controller, views
• [ ] Redux Loop: ajax, actions, reducer
• [ ] Presentational Components and Containers
• [ ] Styling
• [ ] Smooth, bug-free navigation
• [x] Adequate and appropriate seeds

[ryan-mapa]

• [ ] something is not centered right either the fields or everything else
• [ ] "That username already exists. Please try again." error does not come through
• [ ] style logout
• [ ] incorrect username/password error does not render correctly (test with correct username and wrong pw)