pfSense

Allow single interface bridges. Useful with span port option, and when shuffling configuration around.

Allow disabling the APIPA block via hidden config option. Very rarely necessary or desirable, but Amazon VPC VPNs use that as their tunnel subnet with BGP setups.

Only restore rrd.tgz where platform is appropriate, or RAM disk being
used, otherwise you're restoring a probably old backup file. Ticket #4531

Add Super Micro C2758 to the list of known platforms

small correction of relative paths to icons

Few minor text typos

Note that advertise is spelt with an "s" in other places in the GUI, so
making it consistent in services_ntpd - but maybe Americans do spell it
"advertize" these days?

diag_sockets show sockets listening on localhost
this helps pick a free port for services using sockets bound to localhost, and helps determine if the service has at least started and bound the port without needing to go through all 'connected' sockets as well

Include additional subnets for RAs in radvd.conf. Ticket #4468

Fix up Ticket #4504 implementation. Match config style with other areas. Use a config setting to disable, rather than enable, this functionality since it's enabled by default so the tag isn't necessary in the default config. Remove now unnecessary config upgrade code.

fix type. Ticket #4504