Do not add extra empty form in inline formsets if not needed

Ticket:	#5352
Axe unionfs and tmpfs from jail storage form

Ticket: #3052
fstype field does not exist anymore

Ticket:	#3052
Add missing schema migration for removing mount point type

Ticket: #3052
Update test to reflect changes to UI.
Add a test which polls a directory for GUI_Upgrade.txz and .iso files.
If a newer file exists, then perform a GUI upgrade.
Hook new (empty) directory service UI into FreeNAS
Rename sharing tab to match menu bar

Ticket:	#5363
Add a new tasks app

Ticket:	#5416
Add Tasks to the menu bar

Ticket:	#5416
Add tasks icon to the tree menu node

Ticket:	#5416
Add basic Tasks index view
Hook up Tasks icons to open the proper view
Position some system tasks under Tasks in tree menu
Move tasks nested tabs from System to Tasks

Ticket:	#5416
Open tasks from tree menu under Tasks main tab
Move NTP Servers from system nested tab to a button under General

Ticket:	#5416
Add a new method to provide extra template context
Move SSL from system nested tab to a button under General

Ticket:	#5416
Add a new tun_type field to Tunables

Tunables will now hold leader.conf and sysctl tunables.

Ticket:	#5416