generate microposts model and rake
microposts validations
microposts validations
add associations
add micropost refinement
generate microposts controller
add code to show microposts in users show view
render microposts and required css
add tests for user profile show views
micropost access control
can create microposts and refactor to partials
create user feed
user delete their own micropost
add testing for micropost interface
add image upload capabilities
image validation
resize image uploads on show page
enable image upload for production