Optimize integration tests
Add integration tests for full_title
Add user model
Make a basic User model (with pwd)
Add email downcase validation
Add users profile page
Finish user signup
Add SSL in production
Precompile assets for production
Add optional parameter size to gravatar_for
Add test for error message on wrong signup info
Beautify ruby code
Beautify error message for password
Add test for successful creation of a user
Beautify flash on user create