Remember the user's computer and try to display the computer's Ticket on /
Replace the "Back" link on the Ticket show page with a "Delete" link
Revert "Don't disable Ticket routes in the route config"

This reverts commit a3751544586b6fb4806c613dd3c3284e44cbd4f8.
Don't check for params[:id] in TicketsController#show (its routes are disabled)