Added micropost model, related migration and tests
first validation and User/Micropost associations
Micropost refinements plus fixed issue with _user.html.erb
Fixed issue with user_spec.rb
Completed Micropost model
Augmenting the user show page
Added sample microposts with faker gem
Manipulating microposts: Access control
Added ability to add microposts
Fixed issue with microposts
Added user feed and microposts form on home page
Add user microposts completed