pfSense

Allow saving on system.php if the gateways are down.

Fix variable test

Initialize variable if it's not set

Prevent duplicate gateways from showing up if the interface is down. Redmine ticket #2442

Set the retry value to 60 seconds, this is not attempts, this is seconds before it needs a reply. So if the DHCP server was any sort of slow it would fail to aquire a lease. This was true for my wireless network at home. Plus, on various other lossy links, even cable modems this could be true....

Add the PPP automatic interface type. This would show the _PPP gateways.

Allow 802.1p tags to be controlled from firewall rules edit screen

- also rename $section arg to $section_name in some functions to clarify

- also robustify parsing for <tagname> and bulletproof the handling of
certain errors

allow null to be passed as 2nd arg to parse_config_xml*

in which case entire config is returned

fix 'XML error: no Array object found!' errors