app/views/devise/mailer/invitation_instructions.html.haml
%p Hey hey hey! #{@resource.email}
%p Today is a great day: someone just invited you to #{root_url}, you can accept by clicking on "Get started" below.
%p
You can access to the public places that our selected users have decided to share. After sharing three places, you will also have access to our network of
%em
private
places...
%p= link_to 'Get started!', accept_invitation_url(@resource, :invitation_token => @resource.invitation_token)
%hr
%p
If you don't want to accept the invitation, please ignore this email.<br />
Your account won't be created until you access the link above and set your password