add indeces for the relationships table
implement the user/relationships has_many association
test the user/relationships belongs_to association
Add the belongs_to associations to the Relationship model
test the user.followed_users attribute
Add the user model followed_user association
test for some following utility methods
test for unfollowing a user
unfollowing a user by destroying a user relationship
implement user.followers using reverse relationships
add a partial for displaying follower stats
add follower stats to the Home page
Add a partial for a follow/unfollow form
add a form for unfollowing a user
add the follow form and follower stats to the user profle page
add the show_follow view used to render following and followers
Add the Ruby JavaScript (RJS) to destroy a following relationship
add the completed feed to the User model
final implementation of from_users_followed_by
Add user following