Add untested tables models and seed data.  A house of cards is built.
Add authentication login/logout and some controllers.
Seed DB and debug models.
Add #create #edit #show and associated functionality/views for Subs.
Add working link functionality and empty Comments controller.
Add basic comment creation and showing.
Add nested comments and posting comments-on-comments
Add voting up and down for links.
Add ranking and #sort_by_rank for links.
Add pagination with kaminari.
Add moving-object class; phase I
Add Asteroid and finish phase I.
Add ship with movement; finish phase 3.
Move game class to separate file, add velocometer
Add shooting bullets.
Finished final phase; bullets destroy asteroids.g
Recolor UI and remove console.logs
Add screen wrapping
Refactor some code and add Ship tip.
Initial commit, using skeleton