Option for browser tab text order

Easy thing to do - add an option for the user to select if they want the host name or page name text to display first in the browser tab.
Forum: https://forum.pfsense.org/index.php?topic=84528.0
Option for browser tab text order
Update filter.inc

Add missing gettext.

p.s: Is it really needed to log? Lots of rules causes lots of spam on ifaces without gw. Such kind of this logging should be controllable by user via option at least.
Comment out copy paste of v4 code. No need to delete arp entries on v6.
Comment out copy paste of v4 code. No need to delete arp entries on v6.
Avoid calling exit in backend now that fpm is used for php since its a pesimization and can break calling scripts assumption on locks.
Lock rc.linkup based on interface to avoid races in between up/down events which might create a loop. This is more a timing issue but better enforce serialization here. check_reload_status forces this but not between start and stop but just between similar events. Probably need to bring more inteligence there.
Remove exit and also properly close open files
Remove exit from as much as possible backend code
Remove exit from as much as possible backend code
Cleanup whitespace.
Try to not make useless entries in the config file for very rare used configuration values. Makes config file readble and with less size
Preserve exit code lost from s/exit/return/
don't include cert.pem in the obsoletedfiles list.
wait 10 minutes before retrying on soft failures to avoid us getting DoSed
if something is wrong there (like someone's system can't validate the
cert)
Use clog -f /var/log/filter.log to view firewall log entries, so they are displayed in the new format.
If get_interface_ip(v6) is passed an IP, return the IP.

Properly set up interface binding for v6 link local IPs. Ticket #4021

except had to comment out the fix for now because of #4062 to avoid config breakage.
reload Unbound here, fixes some instances of PD-assigned v6 IPs missing from unbound.conf
Merge pull request #1357 from DasTestament/patch-1
Merge pull request #1348 from phil-davis/patch-4