pfSense

Minor wizard text fixups

Supply current WAN gateway name to wizard

As the name of the WAN gateway is not always WANGW.
Should fix redmine #4713

Clarify DNS Forwarder and Resolver both apply in these places. partially Ticket #3730

Allow option to specify just 1 of user and pass in OpenVPN .up file

As per comment in https://redmine.pfsense.org/issues/3633 sometimes the
server end only requires a password, no username. Usually 1 long string
that serves as the hard-to-guess authentication. OpenVPN expects...

remove pointless filter on dhcp static mappings table

Added the Stateless DHCP Dropdown here

Add tracker rule number to dynamic firewall log

Bug #4730 - the code was not there yet.

Call htmlspecialchars() to remove dangerouns chars from zone parameter. Also redirect user to services_captiveportal_zones.php when an invalid zone is passed

Unbalanced td tag in services_dnsmasq

Consistent clear_subsystem_dirty after unbound restart

from services_dhcp.
This looks like it is wanting curlies to put all clear_subsytem_dirty inside the "if".