FreeNAS Code

use a middleware to set login_required as a default behavior

change freeadmin to use a custom edit/add template if available;
use blocks in generic edit for extra buttons

Function for getting freenas environment variables (without shell wrapper).

Simplify the generation of vlans_ variable and eliminate unneeded queries.

Fix indent, no real content change.

There is no such thing called pass in shell script.

destroy vlan interface on VLAN delete

fix typo

Replacement is not done at the point of return so say it as "initiated".

fix swapoff while unlabelling