pfSense

On its own, ntpd does not sync fast enough at bootup, so bring back the ntpdate sync but improve it so it can't get stuck forever.

Fix syntax here too in case we need to revive it.

Make the ppp-linkup script understand both address families.

Add a dhcpleases monitor to the DHCPv6 server which will trigger automatic creation of routes into the routing table so that prefix delegation will just work.
Redmine ticket #2347

Rather use -c to check for line count, we then dont have to deal with extra whitespaces

The function split() is replaced by the function explode(). Starting with PHP 5.3 this is deprecated and with version 6 gone.
Replacing it surpresses all the warnings

Adding missing file

Adding pbi_ suite of tools

Adding pbi_create

Bind the state killing to the interface they should kill the states so that it does not impact other services like in #1421