Sort DDNS Services names alphabetically

Sort DDNS Services names alphabetically
Set default value to "freedns.afraid.org"  in select list

Set default value to "freedns.afraid.org" in select list. Hardcoded for
now.
Show units for bitrate (Mbit/s) and Signal (dBm) on Connected Wireless Hosts table.

Show units for bitrate (Mbit/s) and Signal (dBm) on Connected Wireless
Hosts table.
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'obsy/master'
Add information about physical connected ports.