FreeNAS Code

add an entry in menu tree to show services status

backend to send test mail

GUI for send a test email

remove all @login_required decorators as complement of r5932

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.