pfSense

Strict checks for number of WANs and LANs on wizard

Fix number of WAN / LAN interfaces detection for dedicated wizard

Try to guess number of WANs

Try to guess number of WANs and LANs

Fix number of WAN and LAN connections check

Just show right type of interfaces (LAN/WAN) on traffic shapper wizards, it fixes #3535

Remove 'multi lan/single wan' and 'multi wan/single lan' traffic shaper wizards, multi lan/wan can be used to replace any of them

Replace exec() and system() calls by internal functions

Fix indent and whitespaces

Fix indent and whitespaces