generated users and microposts
added micropost files and added validation to micropost model
relation between microposts and users
more validation
added static pages home and about
sexy page titles.
helper function for page titles
testing home page title
added bootstrap
layout refactoring.
added site layout test
users#new is now signup
added password to user
added bcrypt gem to ensure has_secure_password works.
markup for signup form
working signup.
styling for errors
sessions controller and login form
email and password combo check.
scaffolded file upload