Allocations: Emails need more information

[dsajdak]

Feedback from current user: "if would be nice if these automated e-mails could include the name/id/PI of the project associated with the expired allocation"

This info is stored in the templates so it should be easy to update

[dsajdak]

As part of #270 we will include this information in the email:

Project title:
Project URL:
PI Name:
List of resources with allocations expiring soon