postfix: Make trusted_forwarders configurable (spf)

Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>
munin: Add support for 14.04

Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>
backuppc: Update for 14.04

Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>
nagios3: Don't pass -H to check_http

There's no point in specifying -H when it's identical to -I and this is
causing some troubles with Supermicro IPMI web server.

Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>
nagiosgen: Add bmc and ups groups

Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>
unifi: Use the new generic distro packages

Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>