Add micropost model
Add associations between micropost and user
Add micropost factory
Add model specs
Add microposts css
Add @microposts variable in user show controller
Add micropost show partial
Change user show view to include user's microposts
Add tests to verify that microposts are shown on user's page
Add routes for microposts create, destroy
Add microposts controller
refactor signed_in_user from user controller to sessinos controller
Add test in authentication pages for redirect for create / destroy microposts
Add micropost controller create action
Add micropost & feed in home / static pagews controller
Add micropost form & feed to home page view
Add preliminay feed in user model
Refactor error messages partial
Add user model tests for feed
Add home page test for feed
Add capybara screenshot
Add user micropost