Implement publicly shared tracks
Also match user in tracking controller
Initialize visibility of track
fix param for may_set_place
fix show in UsersController for json
add friendships to User.to_json
add some uniqueness validations
add method to remove friendship
friendship validation and json formatting
implement user search
make confirmed property of friendship protected
move friendship methods from users_controller to their own controller
only add public tracks to list of friends' tracks
Websocket channel implementation for friend requests
trigger channel events for all friendship actions
add model and controller for generated stories
add model and controller for comments
restructure websocket channels
send message over channel for new story
initialize user's token earlier