pfSense

• Use pkg_info -E pkgname* for testing if a package is installed.
• Do not call eval if we cannot include an .inc file since that will make the whole script fail.
• Keep the log from the start to the end without overwriting. This makes debugging and problem reporting easy and explains what is done during installation....

Make sure this isn't searching the referrer using a blank host or IP, which will always match the referrer.

Fix case for testing the referrer check setting. Ticket #1011

Remove these anchors they just provide overhead and are not really used much in pfSense.

Remove gre helping rules they are not anymore needed.

Send errors to 2>

Don't perform referer check if display_error_form is not defined (captive portal), just like as is done for the DNS rebind check. Ticket #1007

Rework handling of ports for reflection on port forwards to work properly with port aliases. Ticket #672

Unset this reference before reusing the variable name to prevent corruption of groups.

Fix test for altq on vlans and wlan.