templates: ips_and_hosts: Put more emphasis on support.html

Put a bit more attention towards the dnsandmx.com/support.html page.

Signed-off-by: Andrew Clayton <andrew@dnsandmx.com>
audit: get_last_login: Display host OR IP address

On each page we display the source and time of the users last login.
The source would normally be a hostname, however, if there is no
hostname we should display the IP address.

Signed-off-by: Andrew Clayton <andrew@dnsandmx.com>