Send the current server's address when emailing.

Previously, we had a hardcoded value.

When using the messaging system, show the user's name instead of the email
to aid readability.

Properly pluralize time in messages.

Label sender and recipient to make obvious the purpose of the name column.
Clean up and upload csv fix for some computers.

CSV upload used to work for only some of the computers. This should fix
that.

CSV upload is also more robust now and does not leak file system
information to the user through a hidden field.

Remove unnecessary image link from CSV.