pfSense

Fix some wrong escapeshellarg() calls

Conflicts:
etc/inc/filter_log.inc
etc/inc/pkg-utils.inc

Simplify logic calling grep less times, as done on mail_reports.inc on 2c6efc9

Use unlink_if_exists or @unlink to avoid PHP errors when file doesn't exist

Conflicts:
usr/local/www/firewall_aliases_edit.php

Merge pull request #901 from Klaws--/patch-2

Added previously missing DSCP VA (requires kernel patch patch submitted ...

Add escapeshellarg() calls on exec parameters. While I'm here, replace some exec() calls by php functions like symlink, copy, unlink, mkdir

Conflicts:
usr/local/www/diag_logs_vpn.php
usr/local/www/firewall_aliases_edit.php
usr/local/www/guiconfig.inc

Fix an obvious typo on var name

Added previously missing DSCP VA (requires kernel patch patch submitted by me)

Merge pull request #897 from N0YB/RELENG_2_1

XHTML Compliance - Status: System logs: Firewall

Update shortcuts.inc

XHTML Compliance
Shortcuts edit link - r/&id/&id

Couple style vertical-align corrections