Hello,

A new PopIt instance will be created for you after you confirm your email
address by visiting the link below:

  http://{{ host }}/instances/{{ instance.slug }}/confirm/{{ token }}

Once created you can log in to your new site using:

  email:    {{ instance.email }}
  password: {{ password }}

Any problems please let us know.

Yours,
  The PopIt team.

Hello,

A new PopIt instance called {{ instance.slug }} will be created for you after
you confirm your email address by visiting the link below:

  http://{{ host }}/instances/{{ instance.slug }}/confirm/{{ token }}

Once created you can log in to your new site using:

  email:    {{ instance.email }}
  password: {{ password }}

Any problems please let us know.

Yours,
  The PopIt team.

Include instance name in confirmation email
Include instance name in confirmation email

Add the slug name to the text of the email as well as including it in
the confirmation URL.

Fixes #455
