add rake task to populate the database with sample users
add user index with pagination
paginate the users in the index action
add a factory for administrative users
Finish user edit, update, index, and destroy actions
test for the validity of a new micropost
test for the microposts user association
test the order of user's microposts
do ordering of the microposts with default_scope
ensure that a user's microposts are destroyed along with the user
add micropost model validation
add test for showing microposts on the user show page
add microposts to the user show page
add a partial for showing a single micropost
add microposts to the sample data
add routes for the Microposts resource
add access control tests for microposts
add authentication to the microposts controller action
add microposts creation to Home page
add microposts controller destroy action