create profile with user signup
edit profile page
add profile photos
update wireframe for profile page to display friends
create wireframes for friend request pages
create friendships table and model
display friends list correctly, able to visit other profiles
fix controller so you can only see profiles of friends
move logic from controller to show page. Change formatting accordingly
have index page for all users, with button for friend requests
index page for users links to associated  profiles
display unconfirmed friend requests
able to send and receive friend requests