This adds a prompt for a token description, which is now supported in
Vagrant Cloud. Pressing enter on the prompt uses the default description
of `"Vagrant login"`.
$ vagrant login
In a moment we will ask for your username and password to HashiCorp's
Vagrant Cloud. After authenticating, we will store an access token locally on
disk. Your login details will be transmitted over a secure connection, and
are never stored on disk locally.
If you do not have an Vagrant Cloud account, sign up at
https://www.vagrantcloud.com
Vagrant Cloud Username: justincampbell
Password (will be hidden):
Token description (Defaults to "Vagrant login"):
You are now logged in.
$
Which created a token with the default description of "Vagrant login":
Entering a description:
Token description (Defaults to "Vagrant login"): Justin's MacBook Pro
