Use RSpec shared example to eliminate test duplication
Add test for the links on the layout
Add tests for the full_title helper
DRY'ed up the spec support utility
Add user model
Add annotate gem
Add validation to name and email attributes
Add index to email
Add migration file
Add bcrypt to use has_secure_password and force downcase on email before db save
Add password_digest column
Add secure password and user password tests
Merge branch 'modeling-users'
Finish chapter 6 exercise