Disable certain fields when VIMAGE is enabled

Ticket: #2492
Grey out 32-bit and vanilla options for Linux jails

Ticket: #3459
Make plugin updates work again - even if case doesn't match

- While we are here, force a restart of the fastcgi server

Ticket: #3511
Merge remote-tracking branch 'github/pootle'
Convert to dojo AMD
Fix scrolling for repication warning message in small screens

Ticket:	#2422
Do not refresh services tab with toogle service enabled

Ticket:	#2470
Bring centos back

- Networking in linux jails was not working due to them being started as
  VIMAGE jails, but that issue has been fixed
- Sneak in the fact that linux jails are now under the 9.2.0 RELEASE
  directory for this release while here
Port TrueNAS NFSv4 support (commit dded53703496a0e2b942fae19a7e2612d8a3b616)
to FreeNAS:

Add an easter egg style basic NFSv4 support.  The user have to manually
touch /conf/base/etc/nfsv4_enable and reboot (or touch /etc/nfsv4_enable)
to enable it for now.

Ticket: #3582
Auto-Commit of i18n data from Pootle